View Policies Show Attempt History Current Attempt in Progress Flint Inc. uses a perpetual inventory system. Its records show the following for the month of May. Units 29 Date May 1 May 15 May 18 May 24 Unit Cost $11 12 Total Cost $319 300 Explanation Inventory Purchase Sale Purchase Total 25 (49) 43 48 13 559 $1,178 (b) Calculate the cost of goods sold for May and the ending inventory at May 31 using the average cost formula. (For average, use 3 decimal places, es. 15.235 in your calculations and round final answers to 2 decimal places, es 5.25.) Cost of goods sold $ Ending Inventory $