A production manager of MSM Company ordered excessive raw materials and had them delivered to a side business he operated. The manager falsified receiving reports and approved the invoices for payment. Which of the following procedures would most likely detect this fraud?
a. vouch for cash disbursements to receiving reports and invoices.
b. confirm the amounts of raw materials purchased, purchase prices, and dates of shipment with vendors.
c. perform ratio and trend analysis comparing the cost of raw materials purchased with the cost of goods produced.
d. observe the receiving dock and count materials received. Compare the counts with receiving reports completed by receiving personnel.