Materiality is defined as follows: ‘Misstatements, including omissions, are considered to be material if they, individually or in the aggregate, could reasonably be expected to influence the economic decisions of users taken on the basis of the financial statements.’
In assessing the level of materiality there are a number of areas that should be considered. Firstly the auditor must consider both the amount (quantity) and the nature (quality) of any misstatements, or a combination of both. The quantity of the misstatement refers to the relative size of it and the quality refers to an amount that might be low in value but due to its prominence could influence the user’s decision, for example, directors’ transactions.
In assessing materiality the auditor must consider that a number of errors each with a low value may when aggregated amount to a material misstatement.
The assessment of what is material is ultimately a matter of the auditors’ professional judgement, and it is affected by the auditor’s perception of the financial information needs of users of the financial statements.
In calculating materiality the auditor should also consider setting the performance materiality level. This is the amount set by the auditor, it is below materiality, and is used for particular transactions, account balances and disclosures.
As per ISA 320 materiality is often calculated using benchmarks such as 5% of profit before tax or 1% of gross revenue. These values are useful as a starting point for assessing materiality.
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