The Shirt Shop had the following transactions for T-shirts for Year 1, its first year of operations: Dan. 20 Apr. 21 July 25 Sept. 19 Purchased Purchased Purchased Purchased 400 units @ $ 8 - $3,200 200 units @ $10 - 2,000 280 units @ $13 - 3,640 90 units @ $15 - 1,350 During the year, The Shirt Shop sold 810 T-shirts for $20 each. Ending Inventory FIFO LIFO Weighted Average