And this is th example of how it need to be done.

Inventory Homework Problem (worth 5 points #1 .On August 1st, the local Apple Store had a beginning inventory of 40 iPad Pros which it purchased for $500 each. .On August 10th, the store purchases 20 more iPad Pros for $550 each. None were sold that week. On August 15th, the store purchases 30 more iPad Pros for S600 each. Between August 16th and 31st, the Apple Store sells 70 of the iPad Pros. a.) Calculate the Apple Store's Ending Inventory Balance (in dollars) at the end of August and Cost of Goods Sold through August using the FIFO Method. (show all work.) b.) Caleulate the Apple Store's Ending Inventory Balance (in dollars) at the end of August and Cost of Goods Sold through August using the LIFO Method. (show all work.) c.) Caleulate the Apple Store's Ending Inventory Balance (in dollars) at the end of August and Cost of Goods Sold through August using the Weighted Average Method. (show all work.)