Blue Inc. uses a perpetual inventory system. Its records show the following for the month of May. Unit Total Date Explanation Units Cost Cost Inventory 31 $8 $248 Purchase 24 9 216 Sale (43 ) Purchase 39 10 390 Total 51 $854 May May May May 1 15 18 24 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, e.g. 15.235 in your calculations and round final answers to 2 decimal places, e.g 5.25.) Cost of goods sold $ 362.75 Ending Inventory 430.24