Auditing
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Auditing – The Risk-Based Approach
Auditing – The Risk-Based Approach Introduction
Risk, plays a large part in the world of Auditing. Audit risk, represents risk to an auditor or an audit firm, as the risk of paying damages to a client may arise out of negligent work when trying to show a true and fair view of a set of company accounts. All audit work involves some level of risk; this may be because a set of company accounts have been misstated due to error or fraud, or the auditor failed to detect the errors or fraud. In addition, these problems may have occurred due to inadequate sample sizes when determining the level of risk or the auditor failed to use proper auditing policies.
To evaluate the level of risk related to specific areas of the audit, three components can help. The first is Inherent risk were environmental factors, (background knowledge of the client and were past audits indicate no difficulties) are concidered against whether or not they would lead to a material error, before considering the function of internal controls. Next is Control risks were the system of internal controls is assessed against the possability of preventing material error, or detecting it in time using internal controls. Last is Detection risk were the auditors procedures may fail to detect a material error not picked up by the internal controls.
This report explains why the risk-based approach has become popular with external auditors and how it has been linked to materiality and sampling levels.
Findings Risk Based Approach The role of an external audit, no matter what type of organisation it is, is to show a true and fair view of the company accounts and to abide by the auditing standards. Recently the risk-based approach has become as valued as auditing standards and adopted by most. The reason for it becoming so popular is that this audit approach helps the auditor to evaluate the level of risk to a particular area of the audit, i.e. specific accounts and transactions. Consequently, auditors can avoid both overauditing and underauditing and can distribute work more evenly throughout the year. Grobstein and others (1985 p29).
Besides, focusing on the level of risk the risk-based method helps to evaluate and build value into the financial reporting process and the clients company. In order to do this the auditor must have an up to date insight of the clients business and activities. This knowledge is gained through the way the client operates their business, management and internal and external environments. The knowledge gathered can help to design the audit program that includes …the most effective and efficient combination of tests responsive to each clients unique circumstances. Grobstein and others (1985 p29). For this reason, the risk-based approach is then superior to traditional auditing methods.
Although the new system of auditing has become more popular over the years there are obvious advantages and disadvantages that need to be considered. For example, the aims of this risk-based approach are to assess and identify the high-risk areas, while at the same time, the auditor is minimising the risk of negligence. Therefore, this can speed the audit up and help to allocate specialists to specific areas of the audit. However, this process can cause more time to be spent on the audit and raise costs, not making economic sense. Unfortunately, another problem faced by auditors when adopting the risk-based approach is when identifying high-risk areas, auditors must decide what evidence should be required and in how much detail.
Materiality An auditors duty is to give a fair and truthful view of a clients set of company accounts, but auditors cannot guarantee that the company accounts are entirely free of errors and irregularities. Therefore, in their audit planning auditors must identify and assess the risk that they have not discovered, or will not discover material items. If an item is discovered, auditors must consider the context and presentation of the item and then decide whether it affects the true and fair view of the company accounts. The Statements of Auditing Standards, SAS 220 states that Auditors should consider materiality and its relationship with audit risk when conducting an audit.
Millichamp (2002 p300) suggests, in order to avoid materiality, it should be taken into account at the planning stage of an audit and re-evaluated if the outcomes of tests, enquiries or examinations differ from expectations. Millichamp (2002 p300-1) also suggests that materiality is fundamental to accounting and is a matter of professional judgement with both quality and quantity dimensions Auditing materiality is also known as tolerable error. Tolerable error is considered the maximum error in a population (sample size) that auditors are prepared to except and still conclude that the audit objectives have been achieved. The level of tolerable error is normally determined at the planning stages. Throughout the audit, tests are then carried out on these levels; they …provide evidence that the actual errors in the population are less than the tolerable error. Millichamp (2002).
Sampling The objective of any sampling method is to draw conclusions from a large set of data. The objective of audit sampling is to establish with reasonable confidence that a number of factors are free from material misstatement. This means drawing conclusions from an entire set of data that may be a set of account balances (population) and then testing a representative sample of items (sampling units). Nonetheless, it is not required of auditors to check all transactions and