3.2You are working for a public accounting firm in Melbourne. One new client, Princeton, a publicly listed company has approached your firm. Princeton has just prepared a sustainability report for the year ended 30 June 2019. Princeton wants to get its sustainability report checked and assured by your firm, but the Board of Directors do not know much about this. Princeton's Board of Directors (BOD) would like to receive a written letter from your firm in this regard, and you are asked by your firm to write a letter that will be sent to Princeton's BOD.

Required:write a letter addressing Princeton's BOD providing your discussion on characteristics of an assurance service on a sustainability report. Your discussion should focus on: the level of assurance, audit procedures, benchmark or criteria, types of opinion, applicable standards, audit fees etc.(5 marks)