Donatello Metals Limited is a privately owned firm that manufactures various metal products and components. Most of their customers are in the computing industry. Donatello, the owner, would like to expand the business so that he can bid on larger contracts. This requires an investment of about $500 000 to finance capital assets and about $300 000 for additional working capital. Donatello has managed the firm without debt so far. His bank suggested: A loan guarantee by Donatello Metais based on specific business assets and a personal guarantee of the debt by Donatello. The bank also stated that if there is a personal guarantee, the company will only require a review engagement. If the loan is only secured by corporate assets, an audit of the company will be required. Donatello understands the differences between the guarantees but is not sure about the difference between a review and an audit engagement. Presently, the company financial statements are prepared using a compilation engagement Required You currently provide a compilation engagement to the firm Explain to your client the difference between a review and an audit engagement in the context of his present compilation engagement. Provide a detailed discussion of at least four main points.