Access the Huawei web page at: Huawei Annual Report - Huawei then download the annual report 2020 in PDF Form Use the annual report to answer the following questions: Go to "Report of Independent Auditor's Report"& answer the following questions. Read the report carefully 1. The main responsibility of auditor is to express an opinion on whether management has fairly presented the information in the financial statements. Give some introduction on the functions of external auditor and provide reference from report. Explain the big 4 companies under auditing profession. Also name the external auditor of Huawei. (10 marks)