Based on the background information contained in the Appendix to this book, explain whether it will be necessary to use the work of an expert in the audit of RPL. LO 4.6 Explain the concept of materiality 5.30 EASY You have decided to accept the audit of RPL for the year ended 30 June 2015. REQUIRED Based on the background information contained in the Appendix to this book, and excluding the principal contents of an engagement letter required by ASA 210.10, identify two other matters that would be appropriate to include in your engagement letter with RPL. LO 5.1 Explain why the decision to accept a client is important, and describe the primary features of client acceptance and continuance, including the purpose and content of an audit engagement letter.