Problem VIII: Below is a schedule showing the cost details of widgets purchased and sold during 20X4: Widgets Units 100 Unit Cost Jan. 1 Beginning inventory May 1 purchases September 1 purchases Available for sale S15 900 $20 1,500 $21 Total Cost $ 1,500 18,000 31,500 $51,000 2,500 During 20X4, a total of 2,200 units were sold for $75 each. Required: On a separate piece of paper, calculate costs of goods sold, the cost of ending inventory, and gross profit under the three cost flow assumptions and place your answers in the chart below. When doing the weighted-average method, round the cost per unit to the nearest penny Inventory costing method: Cost of Goods Sold Cost of Ending Inventory FIFO LIFO Weighted-average Gross Profit