Books has the following transactions in related to merchandise inventory. LOADING...(Click the icon to view the transactions.) Read the requirementsLOADING.... Question content area bottom Part 1 a., b., and c. Determine the cost of goods sold and ending merchandise inventory using the (a) FIFO inventory costing method, (b) LIFO inventory costing method, and (c) weighted-average inventory costing method assuming Books uses the periodic inventory system. (Round weighted average cost per unit to the nearest cent and all other amounts to the nearest dollar.) Aug. 1 Beginning merchandise inventory, 15 books @ $16 each Aug. 3 Sold 8 books @ $21 each Aug. 12 Purchased 13 books @ $20 each Aug. 15 Sold 10 books @ $21 each Aug. 20 Purchased 5 books @ $23 each Aug. 28 Sold 7 books @ $22 each