During the year, The Shirt Shop sold 720 T-shirts for $17 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. Compute the difference in gross margin between the FIFO and LIFO cost flow assumptions. 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. (Round intermediate calculations to 2 decimal places and final answers to the nearest whole dollar amount,)