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正确答案：
(b) In many ways Six Sigma started out as a quality control methodology. It focused on measurement and the minimisation of
faults through pursuing Six Sigma as a statistical measure of some aspects of organisational performance. However, Six Sigma
has developed into something much more than a process control technique. It includes a problem-solving process called
DMAIC and a comprehensive toolkit ranging from brainstorming to balanced scorecards and process dashboards. It also has
defined team roles for managers and employees, often with martial arts names such as Black Belt, Green Belt and Master
Black Belt.
Six Sigma was first used in organisations in the early 1990s. However, it was its adoption and promotion by Jack Welch, the
CEO of GE that brought Six Sigma wider publicity. He announced that ‘Six Sigma is the most important initiative GE has ever
undertaken’. As Paul Harmon comments, ‘Welch’s popularity with the business press, and his dynamic style, guaranteed that
Six Sigma would become one of the hot management techniques of the late 1990s’.
Six Sigma uses an approach called DMAIC in its problem solving process. This stands for Define, Measure, Analyse, Improve
and Control. Three aspects of this are considered below in the context of how they would address the problems at UPC.
Defining the problem
Part of defining the problem is the identification of the customer. It is important to understand what customers really want
and value and one of the main themes of Six Sigma is its focus on the customer. Six Sigma explicitly recognises the ‘voice of
the customer’ (VOC) in its approach. In the UPC situation quality requirements are currently defined by the physical condition
of the goods and by the alignment of the image. However, this may be a limiting view of quality because there is no evidence

of any systematic investigation of the requirements of the customer. Solving these problems may not lead to any significant
long-term gain; they may be quickly replaced by other ‘quality issues’. Furthermore, the customer is also perceived in a limited
way. These quality requirements are in the eye of the gift shop owner who is interested in saleable products. The end customer
– the consumer – who buys and uses the product may have other requirements which can also be addressed at this time.
By considering the VOC the problem and scope of the project becomes re-defined and the solution of the problems potentially
more valuable.
Measurement
Measurement is fundamental to Six Sigma. This includes the gathering of data to validate and quantify the problem. The
creation of the inspection team was based on initial evidence about an increase in breakages. This needs to be quantified.
The inaccurate printing of the image had been quantified as 500 units per month, out of the 250,000 shipped out of the
company. This equates to a failure rate of 0·2%, so that 99·8% of items are shipped with a correctly aligned image. This
sounds quite reasonable but it still raises issues and complaints that have to be dealt with, as well as creating wastage costs
of $10,000 per month. The problem is that even a relatively low percentage of defects can lead to a lot of unhappy customers.
Aiming for Six Sigma would reduce defects down to about one faulty item per month, reducing the wastage cost to $20.
Analysis
Analysis is concerned with understanding the process to find the root cause. Six Sigma focuses on processes and their
analysis. Analysis concerns methods, machines, materials, measures, Mother Nature and people. The alignment problem
needs investigation to find out what causes the imaging machine to irregularly produce misaligned images. Management
currently appear to blame the machine but it may be due to the way that certain people load the machine. The analysis of
the breakages is particularly important. It is unclear at present where these breakages occur (for example, are some of the
items broken before they leave UPC’s despatch facility) or are they all broken in transit? Neither is it understood why the
breakages occur. Management appear to blame the packers for packing incorrectly and not following the correct method.
However, it may be that the material is just not strong enough to withstand heavy handling by couriers who are outside the
control of UPC. Additionally, the breakages may be due to some manufacturing problem or raw material imperfection in the
items that break. Six Sigma stresses understanding the problem before solving it.
Although DMAIC has been selected as the framework for the sample answer, focusing on other aspects of Six Sigma would
be acceptable – as long as they are presented in the context of the UPC scenario.

正确答案：
(ii) Consultation – it may not be possible to hold extensive consultations on specialist issues within a small firm, due to a
lack of specialist professionals. There may be a lack of suitably experienced peers to discuss issues arising on client
engagements. Arrangements with other practices for consultation may be necessary.
Training/Continuing Professional Development (CPD) – resources may not be available, and it is expensive to establish
an in-house training function. External training consortia can be used to provide training/CPD for qualified staff, and
training on non-exam related issues for non-qualified staff.
Review procedures – it may not be possible to hold an independent review of an engagement within the firm due to the
small number of senior and experienced auditors. In this case an external review service may be purchased.
Lack of specialist experience – where special skills are needed within an engagement; the skills may be bought in, for
example, by seconding staff from another practice. Alternatively if work is too specialised for the firm, the work could be
sub-contracted to another practice.
Working papers – the firm may lack resources to establish an in-house set of audit manuals or standard working papers.
In this case documentation can be provided by external firms or professional bodies.

正确答案：
(a) Quality
Quality has become an increasingly important issue in organisations. For some companies it is an important differentiator,
allowing the organisation to pursue a high price/high quality strategy. For other organisations, such as UPC, the quality
threshold requirements for their products have increased significantly over the last few years. Customers have increased
expectations of product construction, longevity and reliability. Quality is rarely absolute; and it is usually constrained by such
factors as selling price. This particularly applies in UPC’s market where it is likely that the quality of the product is limited by
the relatively low price consumers are willing to pay for it. Quality concerns how a product meets its designed purpose and
satisfies its original requirements. The target selling price is likely to be one of those requirements.
At UPC quality appears to be defined in terms of the physical condition of the products (no breakages, cracks or chips) and
in the accurate positioning of the printed image on the product. These are the reasons given by the UPC management for
setting up the inspection team. However, this perception of quality would have to be confirmed by the customer. It may be
that other issues, such as the density of the printed image, are also important to the customer but have not yet been fed back
to UPC.
Many definitions of quality include references to the customer. They stress meeting the requirements of the customer or user
of the product. UPC might benefit from re-considering who it perceives to be the customer. Their current perception appears
to be that the customer is the gift shop that sells the product. It is not the ultimate person or consumer who buys the product
from the shop and uses it. For this consumer, other issues may be significant such as:
– The ability to wash the item in a dishwasher.
– The long-term safety of the product, for example: the handle does not break off a cup and spill its content on the drinker.
– The long-term clarity of the image on the item after many washes.
Investigating the issue of quality from the perspective of the consumer may identify other problems that need addressing.
Finally, quality has to be considered in the context of responsibility. UPC currently uses a courier company to deliver its
products to the gift shops. This means that freedom from breakage is only partly under UPC’s control. The delivery condition
of products is partly determined by the care with which the courier company handles the package. Hence delivery quality
depends on courier performance as well as on packaging care. In contrast, the quality of the printed image on the item is
completely within the control of UPC.
Quality control
Quality Control (QC) is primarily concerned with checking and reviewing work that has been done. It is an inspection system
for ensuring that pre-determined quality standards are being met. In theory, the responsibility for the control of quality lies
with the person undertaking the process, whether it is the production of goods, delivery of a service or the passing of
information. QC is the part of quality management focused on fulfilling quality requirements.
In many quality control systems, sample products are removed and inspected. Defects in these sampled products may lead
to the whole batch being inspected and defective items destroyed. This is essentially the role of the inspection team at UPC,
where 1 in 20 packed packages are inspected for accuracy of printing and correctness of packing. Incorrect packing in a
sampled package will lead to the inspection (and potential re-packing) of all packages packed by that employee. Failure in
the accuracy of the printed image is likely to lead to the destruction of the whole batch, and the re-setting of the production
imaging machine to address the positional inaccuracy of the image. It has to be stressed that, in this instance, quality control
is a sampling activity and so it is very likely that defective batches will get through to the customer. To criticise the inspection
unit for failing to find defective batches (‘the quality inspection team is just not working’) fails to recognise the sampling nature
of the role.

In the context of UPC there are at least three further factors that inhibit effective quality control.
– The quality control of the positioning of the image takes place too late in the process. It should take place before packing,
not after it. Valuable packing time and materials can be wasted by packing items with defective images which are found
when the package is inspected.
– The reward system for packers is based on the throughput of packages rather than the quality of packing. In the past
many manufacturing organisations have valued productivity more than quality and reflected this in their reward system.
This is the case at UPC where faults in packing are not reflected in the reward system of the packers. In fact, the very
opposite appears to be true. Packers are incentivised to pack quickly, not effectively. Beckford suggests that ‘a major
barrier to quality may be built into the reward system of the organisation’.
– There is evidence that the inspection team has participated in the achievement of the required throughput targets by
passing packages that did not meet the required quality. This is clearly giving the wrong message, but the inspection
team is only reflecting the need for the company to meet certain deadlines.
Quality Assurance
Quality Assurance (QA) is the part of quality management focused on providing confidence that quality requirements will be
fulfilled. It may be defined as a set of procedures designed to ensure that quality standards and processes are adhered to and
that the final product meets or exceeds the required technical and performance requirements. Quality assurance covers
activities such as product design, development, production, installation and servicing. It also sets the pre-determined
standards required for effective quality control. If quality control is primarily concerned with detecting defective products, then
quality assurance is primarily about the prevention of quality problems through planned and systematic activities.
There is little evidence of quality assurance at UPC. However, the company may wish to consider:
– Setting quality targets and delegating responsibility for achieving those targets to the people who are meant to achieve
them. In UPC it would be preferable to give responsibility for product quality to the employees who actually make the
products and to reflect this in their reward structure. One of the roles of QA is to enable quality improvement initiatives.
A possible initiative is to investigate the purchasing of imaging machines (or adopting the current ones) with a facility
to automatically assess the accuracy of the image before printing. If the image falls outside certain tolerances then it
may be feasible for the machine to automatically adjust it before printing. If these machines were installed, it would be
the responsibility of QA to ensure that they were calibrated correctly and to verify that every product had undergone the
necessary check.
– QA also offers quality advice and expertise and trains employees in quality matters. They would set standards for
materials used in packing and establish systems for monitoring raw materials sent by suppliers to ensure that these
standards were met. It may also be possible to improve how items are physically laid out in the package to reduce the
chance of damage. The internal layout of the packages may be constructed in such a way that they only allow products
to be packed in a prescribed pattern. QA would be involved in defining that prescribed pattern and training packers to
use it – as well as subsequently monitoring that the prescribed pattern had been followed.
– The increased importance of quality means that many customers now demand some proof that the supplier is capable
of consistently producing quality products. This proof is part of the ‘confidence’ factor of QA and may be demonstrated
by a third party certification, such as ISO 9000. Certification helps show the customer that the supplier has a
commitment to consistently supplying a quality product. QA will be concerned with gaining and maintaining such
certification and this should assist the company in securing and retaining contracts.
At UPC the current inspection team is focused on QC. The responsibility for this should be moved to the production process
itself or to the people who actually undertake that process. The inspection team could then focus on QA, setting standards
for quality, establishing how those standards should be monitored, and then ensuring that such monitoring is being
performed. In making this transition, the company will move to a culture of attempting to prevent faults rather than relyingsolely on detecting them.