Using Excel to Cost Inventory PROBLEM In its first month of operations, McLanie Company made three purchases. Information concerning these purchases and units on hand are: Student Work Area Required: Provide input into cells shaded in yellow in this template. Use only mathematical formulas with cell references to compute the unit cost and the cost of ending inventory Units 300 400 500 Cost per Unit $ 6.00 8.00 9.00 Compute the cost of the ending inventory under the average-cost method in a periodic inventory system. Weighted average unit cost Round unit cost to 3 decimals using the ROUND function Units on hand at period end 200 Purchases of merchandise were made in the sequence listed above. Cost of ending inventory