an audit involves performing procedure to obtain audit evidence about the amount and disclosures in the financial statements the procedures selected depend on the risk of material misstatement of the financial statement whether due to fraud or error
in making those risk assessments the auditors consider internal control relevant to the entry's preparation and fair presentation of expressing an opinion on the effectiveness of the entity's internal control. An audit also includes evaluating the appropriateness of accounting policies used and the reasonableness of accounting estimates made by management, as well as evaluating the overall presentation of the financial statements