please help me wirh this question. it says to enter the answers as EQUATIONS like on excel

thanks

Comparing Inventory Costing Methods using Excel's Basic Math Functions and Cell References Calculate cost of ending Inventory and cost of goods sold using penodic PFO, UFO, and Wehted Average Cost methods OBS. tary cong those VULAS DATA REVIEW HOME P A GE LAYOUT VIEW A- A b er Conditional Font T X Better Bodies, Inc., uses a periodic inventory system and has the followin C D Letter Bottles, Inc., uses a periodicnventory system and has the following information wilable of Units Description Beginning inventory an. 15 Purchase Cost per un 20.00 $ total out 400.00 5 7 Boods Available for Sale January Sales Ending Inventory 12 tequiredi 13 Calculate both the Ending inventory and Cost of Goods Sold using Periodic Firo FF Ending Imrntory