Question 4 Not yet answered Marked out of 1.00 P Flag question One auditor wrote the engagement letter and he included the following information: 1- Using GAAS 2- Period of F.S (year) 3- Date of completion 4- Responsibilities of Auditor (Audit F.S) 5- Responsibilities of Management (Prepare F.S) The missing information are: Select one: a. Audit objective, Audit fees, Non- Audit services and its fees b. Audit opinion, Audit objective, Non- Audit services and its fees O c. Audit objective, Audit opinion, Audit fees O d. Audit opinion, Audit fees, Non-Audit services and its fees