The Shirt Shop had the following transactions for T-shirts for 2016, its first year of operations: Jan. 20 Purchased 590 units @ $8 = $ 4,720 Apr. 21 Purchased 390 units @ $10 = 3,900 July 25 Purchased 470 units @ $13 = 6,110 Sept. 19 Purchased 280 units @ $15 = 4,200 During the year, The Shirt Shop sold 1,380 T-shirts for $24 each. 7. Required information 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. (Round cost per unit to 2 decimal places and final answers to the nearest whole dollar amount.) b. Record the above transactions in general journal form and post to T-accounts using (1) FIFO, (2) LIFO, and (3) weighted average. Use a separate set of journal entries and T-accounts for each method. Assume all transactions are cash transactions. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field. c. Compute the difference in gross margin between the FIFO and LIFO cost flow assumptions.