need help filling blanks using EXCEL Formulas

The following data is available for inventory purchases and sales made in the month of June. 13 Required: Use the templates in the spreadsheet to calculate the Cost of Goods Available for Sale and Sales. Then calculate the Cost of Goods Sold, Ending inventory, and Gross Profit under the inventory assumption of: 1. FIFO 2. FO 3. Weighted Average Assume a periodic inventory system. Assume a periodic inventory system. Students: The scratchpad area is for you to do any additional work you need to solve this