Date Transactions Units Unit Cost Total Cost March 1 Beginning inventory 20 $175 total cost $3500 March 5 Sale ($250 each) 15 March 9 Purchase 10 195 total cost $1950 March 17 Sale ($300 each) 8 March 22 Purchase 10 205 total cost 2,600 March 27 Sale ($325 each) 12 March 30 Purchase 8 225 2,240 a. Calculate ending inventory and cost of goods sold at March 31, 2015, using the specific identification method. The March 5 sale consists of bikes from beginning inventory, the March 17 sale consists of bikes from the March 9 purchase, and the March 27 sale consists of four bikes from beginning inventory and eight bikes from the March 22 purchase. b. Using FIFO, calculate ending inventory and cost of goods sold at March 31, 2015. c. Using LIFO, calculate ending inventory and cost of goods sold at March 31, 2015. d. Using weighted-average cost, calculate ending inventory and cost of goods sold at March 31, 2015.(Round your intermediate and final answers to 2 decimal places.) e. Calculate sales revenue and gross profit under each of the four methods.