Maple Company has an increase in purchases from specific vendors and an increase in raw materials inventory for the items purchased from these s for the company have not increased and are not forecast to increase. From this information an auditor might suspect O an increase in obsolete raw material inventory theft of raw material inventory O kickbacks from vendors. O poor security over raw material inventory. QUESTION 16 What evidence is appropriate to determine whether recorded purchase transactions are valid and the vendors charged the correct prices? Purchase requisitions and accounts payable entries. O Receiving reports and purchase orders. O Purchase requisitions and purchases orders. O Purchase orders and bid quotes. QUESTION 17 Matthew Corp. has changed from a system of recording time worked on clock cards to a computerized payroll system in which employees updates all payroll records. Because of this change, a generalized part of the audit trail is altered. the potential for payroll-related fraud is diminished. transactions must be processed in batches. QUESTION 18