13. (8 points) Houa Corp. manufactures charcoal in a mass production environment and uses process costing to allocate costs to inventory. All manufacturing is completed in one manufacturing department. Direct materials are added at the beginning of the manufacturing process and conversion costs are added evenly throughout. The following information was reported for current period: Costs Beginning WIP 50,000 units Direct Materials $ 51,000 Conversion (75% complete) $ 97,115 Started 200,000 Units Direct Materials $ 304,000 Conversion $ 499,525 Ending WIP 40,000 Units (40% complete) a. Calculate Houa's physical flow of units, equivalent units, cost per equivalent unit and assign costs to Finished Goods and Ending Work In Process using the Weighted Average method of processing costing