Entries for Process Cost System Preston & Grover Soap Company manufactures powdered detergent. Phosphate is placed in process in the Making Department, where it is turned into granulars. The output of Making is transferred to the Packing Department, where packaging is added at the beginning of the process. On July 1, Preston & Grover Soap Company had the following inventories: Finished Goods $27,550 Work in Process-Making 10,710 Work in Process --Packing 13,960 Materials 6,050