Purchases and sales Requirement 3. Determine the amount that would be reported in ending merchandise inventory on July 15 using the weighted-average inventory costing method. 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 all amounts to the nearest cent, $X.XX.)