10A. Peaceful Books has the following transactions in August related to merchandise inventory. (Click the icon to view the transactions.) Read the requirements Requirements More info a. Determine the cost of goods sold and ending merchandise inventory using the FIFO inventory costing method assuming Peaceful Books uses the periodic inventory system. b. Determine the cost of goods sold and ending merchandise inventory using the LIFO inventory costing method assuming Peaceful Books uses the periodic inventory system. c. Determine the cost of goods sold and ending merchandise inventory using the weighted average inventory costing method assuming Peaceful Books uses the periodic inventory system. Aug. 1 Aug. 3 Aug. 12 Aug. 15 Beginning merchandise inventory, 11 books @ $18 each Sold 6 books @ $25 each Purchased 10 books @ $22 each Sold 6 books @ $25 each Purchased 5 books @ $25 each Sold 6 books @ $28 each Aug. 20 Aug. 28 Print Done Print Done