AccuBlade Castings Inc. casts blades for turbine engines. Within the Casting Department, alloy is first melted in a crucible, then poured into molds to produce the castings. On May 1, there were 1,000 pounds of alloy in process, which were 40% complete as to conversion. The Work in Process balance for these 1,000 pounds was $92,400, determined as follows: $90,000 Direct materials (1,000 x $90) Conversion (1,000 x 40% x $6) 2,400 $92,400 During May, the Casting Department was charged $808,400 for 9,400 pounds of alloy and $19,020 for direct labor. Factory overhead is applied to the department at a rate of 150% of direct labor. The department transferred out 9,700 pounds of finished castings to the Machining Department. The May 31 inventory in process was 30% complete as to conversion. al. Prepare the May journal entry for the Casting Department for the materials charged to production. Work in Process-Casting Department 808,400 Materials-Alloy 1808,400 a2. Prepare the May journal entry for the Casting Department for the conversion costs charged to production. If an amount box does not require an entry, leave it blank. Work in Process-Casting Department 47,550 Wages Payable 19,020 Factory Overhead-Casting Department 28,530 a3. Prepare the May journal entry for the Casting Department for the completed production transferred to the Machining Department. Work in Process-Machining Department 886,822 Work in Process-Casting Department 886,822 b. Determine the Work in Process-Casting Department May 31 balance. $ 61,528 X c. Compute the change in the costs per equivalent unit for direct materials and conversion from the previous month (April). Change in materials Cost per Equivalent Unit Decrease $ 3.62 X Decrease [ 0.96 Change in conversion