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 cost method. Round unit cost to two decimal places, if necessary. Round all total cost amounts to the nearest dollar