4. Garrison, Inc. uses a process costing system. The following data concern the operations of the company's first processing department for a recent month. Work in process, beginning: Units in process Stage of completion with respect to materials Stage of completion with respect to conversion costs 400 60% 40% Costs in the beginning Work In Process inventory: Materials Conversion costs $ 750 $4,400 Units transferred to the next department 13,300 Units started into production during the month 13,000 Costs added to production during the month: Materials Conversion costs $29,000 $362,000 Work in process, ending: Units in process 100 Stage of completion with respect to materials 50% 30% Stage of completion with respect to conversion costs Required (25 points) (HINT: the solution should be in the format of the Production Schedule on page 203 in the textbook): a. Compute equivalent units of production b. Compute costs per equivalent units of production c. Compute cost of the ending Work in Process and the Units Transferred out d. Prepare a cost reconciliation that reconciles