White Diamond Flour Company manufactures flour by a series of three processes, beginning with wheat grain being introduced in the Milling Department. From the Milling Department, the materials pass through the Sifting and Packaging departments, emerging as packaged refined flour. The balance in the account Work in Process-Sifting Department was as follows on July 1: Work in Process-Sifting Department (750 units, 3/5 completed): Direct materials (750