Problem 4 Sullivan Shoes is a wholesaler of imported men's shoes and uses the perpetual inventory system. It's records show the following in the month of May. Units 30 20 Unit Cost $8 May I Beginning Inventory May 3 Purchase May 5 Purchase Total Cost $240 $180 $250 S10 On May 7, Sullivan sold 40 units for $20 each. Compute the cost of goods sold (May 7th sale) and ending inventory (after May 7 sale) under the following cost flow assumptions: Show all computations. COGS (FIFO) & Thu 4 43 35 Ending Inventory (FIFO) COGS (LIFO) Ending Inventory (LIFO)