E6-5 During the year, Triumph Incorporated has the following inventory transactions. For the entire year, the company sells 81 units of inventory for $30 each. Required 1. Using FIFO, calculate (a) ending inventory, (b) cost of goods sold, (c) sales revenue, and (d) grows profit. 2. Using LIFO, calculate (a) ending inventory, (b) cost of goods sold, (c) sales revenue, and (d) gross profit. 3. Using weightedaverage cost, calculate (a) ending inventory, (b) cost of goods wold, (c) sales revenuc, and (d) gross profit. 4. Determine which method will result in higher profitability when inventory costs are declining of purses from beginning inventory, the Oetober 13 sale consists of one purse from beginning inventory and two purses from the October 10 purchase, and the Oetober 28 sale consists of three murses from the Oetober 10 purchase and four purses from the Oetober 20 purchase. 2. Using HFO, calculate ending inventory and cost of goods sold at Oetober 31 3. Using LIFO, calculate ending inventory and cost of goods wold at October 31 . 4. Using weightedaverage cost, calculate ending inventory and cost of goods sold at Oetober 31