Bramble Inc. uses a perpetual inventory system. Its records show the following for the month of May. Unit Total: Date Explanation Units Cost Cost May 1 Inventory 28 $11 $308 May 15 Purchase 26 12 312 May 18 Sale (46) May 24 Purchase 44 13 Total 52 13 572 $1,192 (a) Your answer is correct. Calculate the cost of goods sold for May and the ending inventory at May 31 using the FIFO formula. Cost of goods sold 524