Hamell Corporation is making a presentation to a prospective investor. The presentation in-dudes a projection showing that the company's sales will be between $25,000,000 and $27,000,000 within the next three years. Hamell believes the information will be better received if its CPA provides an attestation report on the projection. In order to provide such a report, the CPA must do all of the following except confiem expected sales with customers O sbtain knowledge about the client's business O evaluate the assumptions used in preparing the projection O ideneity key factors affecting the information