Bristol Sales had the following transactions for DVDs in 2012, its first year of operations. Jan. 20 Purchased 75 units @ $17 = $1,275 Apr. 21 Purchased 450 units @ $19 = $8,550 July 25 Purchased 200 units @ $23 = $4,600 Sept. 19 Purchased 100 units @ $29 = $2,900 During the year, Bristol Sales sold 775 DVDs for $60 each. a. Compute the amount of ending inventory Bristol would report on the balance sheet, assuming the following cost flow assumptions: (1) FIFO, (2) LIFO, and (3) weighted average. 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. c. Compute the difference in gross margin between the FIFO and LIFO cost flow assumptions