Home Fotowing transactions for T-shirts for Year it for year of operation Jan 20 Purchased Ane 21 Purchased Purchased Sept. 15 Purchased 400 units 200 250 units - 59,00 2.000 3.640 OSRS During the year, The Shirt Shop sold 810 T-shirts for $20 each Required a. Compute the amount of ending inventory The Shirt Shop would report on the batance sheet assuming the following cost fow assumptions: (1) FIFO (2) LIFO, and (3) weighted average. b. Compute the difference in gross margin between the FIFO and UFO cost flow assumptions. Complete this question by entering your answers in the tabs below. Required A Required B FIFO LIFO Compute the difference in gross margin between the FIFO and LIFO cost flow assumptions. Difference Gross margin