The Shirt Shop had the following transactions for T-shirts for Year 1, its first year of operations: = Jan. 20 Apr. 21 July 25 Sept. 19 Purchased Purchased Purchased Purchased 330 units 90 units 210 units 80 units @ @ @ $ 5 $ 6 $ 8 $10 $1,650 540 1,680 800 During the year, The Shirt Shop sold 530 T-shirts for $15 each. Required a. Compute the amount of ending inventory The Shirt Shop would report on the balance sheet, assuming the following cost flow assumptions: (1) FIFO, (2) LIFO, and (3) weighted average. b. Compute the difference in gross margin between the FIFO and LIFO cost flow assumptions