I don't know why but when i turned my answers in it said that I was wrong could you please help me with this question?

: Function: ROUND: Formula: Add. Multiply. Divide: Cell Referencing Using Excel to Cost Inventory PROBLEM In ta first month of operations, Molanie Company made three purchase hormation concerning these purchases and unta on hand we Student Work Area Required: Provide put into cos shaded in yellow In this template.Use only mathematical formules with cel references to compute the unit cost and the cont of ending Inventory Compute the cost of the ending hventory under the average-cont method periodic Inventory system Units 300 400 500 Cost per Unit $ 0.00 8.00 9.00 $ 7.91667 Weighted average unit cont 7.917 Units on hand a period and 200 Round Unt cost to 3 decimals using the ROUND function 15 Purchases of merchandise were made in the sequence Bled above Cost of ending Inventory $ 1,583.40 11