Weighted average cost method with perpetual inventory The beginning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31 are as follows: Required: 1. Record the inventory, purchases, and cost of goods sold data in a perpetual inventory record similar to the one illustrated in Exhibit 5, using the weighted average co method. Round unit cost to two decimal places, if necessary. Round all total cost amounts to the nearest dollar. 3. Determine the ending inventory cost as of March 31. \begin{tabular}{|c|c} Inventory Unit Cost & Inventory Total Cost \\ & 632,000 \\ \hline \end{tabular}