9. 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 230 pounds of alloy in process, which were 60% complete as to conversion. The Work in Process balance for these 230 pounds was $30,774, determined as follows: Description Direct materials (230 x $123) Conversion (230 x 60% x $18) Total direct materials and conversion Dollar amount $28,290 2,484 30,774 During May, the Casting Department was charged $350,000 for 2,500 pounds of alloy and $19,840 for direct labor. Factory overhead is applied to the department at a rate of 150% of direct labor. The department transferred out 2,530 pounds of finished castings to the Machining Department. The May 31 inventory in process was 44% complete as to conversion. a. Prepare the following May journal entries for the Casting Department: i. The materials charged to production ii. The conversion costs charged to production iii. The completed production transferred to the Machining Department b. Determine the Work in Process-Casting Department May 31 balance. C. Compute and evaluate the change in the costs per equivalent unit for direct materials and conversion from the previous month (April).