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: August 15: August 28: 6 books costing $20 each 5 books costing $20 each and 7 books costing $22 each 2 books costing $22 each and 5 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 6 Inventory on Hand Unit Total Unit Total Unit Total Date Aug. 1 Quantity Cost Cost Quantity Cost 4 Cost Quantity Cost Cost 3 12 15 15 20 20 k my instructor