12 2. Ingrim Corporationuses Weighted Average in its process costing system. The following data concem the company's Processing Department for the month of May. Percentage of Completion Units Direct Materials Conversion Costs Work-in-process beg, May 1st 5,000 30% 65% Units Completed and Transferred out 9,000 Work-in-process end, May 30th 6,000 50% 10% Costs in the WIP, May 1st Materials Cost Conversion Cost Total Cost Costs added during May 30th Materials Cost Conversion Cost Total Cost Amount $5,300 $10,200 $15,500 $250,000 $430,000 $680,000 Required: [7 Marks] a. Determine the equivalent units of production for materials andconversion (3 marks). b. Determine the cost per equivalent unit for materials and conversion costs (consider two decimals) (2 marks). c. Determine the total cost of completed & transferred out units and total cost of work in process ending (2 marks)