a. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the specific identification method. Assume the following costing information for the books sold during the month: August 3: 7 books costing $19 each August 15: August 28: 7 books costing $19 each and 4 books costing $21 each 2 books costing $21 each and 2 books costing $28 each Start by entering the beginning inventory balances. Enter the transactions in chronological order, calculating new inventory on hand balances after each transaction. Once all of the transactions have been entered into the perpetual record, calculate the quantity and total cost of merchandise inventory purchased, sold, and on hand at the end of the period. (Enter the oldest inventory layers first.) Purchases Cost of Goods Sold Unit Total Unit Total Inventory on Hand Unit Total Date Aug. 1 Quantity Cost Cost Quantity Cost Cost Quantity Cost Cost 15 $ 19 3 7 $ 19 $ 133 19 12 8 $ 21 $ 168 8 $ 19 8 $ 21 15 7 $ 19 $ 133 4 21 $ 84 32 21 20 3 $ 28 $ 84 28 3 $ 28 2 $ 21 $ 42 2 $ 28 $ 56 21 252 Totals 11 22 Requirements a. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the specific identification method. Assume the following costing information for the books sold during the month: August 3: 7 books costing $19 each August 15: 7 books costing $19 each and 4 books costing $21 each August 28: 2 books costing $21 each and 2 books costing $28 each b. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the FIFO inventory costing method. c. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the LIFO inventory costing method. d. Determine the cost of goods sold and ending merchandise inventory by preparing a perpetual inventory record using the weighted-average inventory costing method. Round weighted average unit cost to the nearest cent and total cost to the nearest dollar. More info Aug. 1 Aug. 3 Aug. 12 Beginning merchandise inventory, 15 books @ $19 each Sold 7 books @ $23 each Purchased 8 books @ $21 each Aug. 15 Sold 11 books @ $23 each Aug. 20 Purchased 3 books @ $28 each Aug. 28 Sold 4 books @ $25 each