P6-2A Greg's Bicycle Shop has the following transactions related to its top-selling Mongoose mountain bike for the month of March. Unit Cost $250 Total Cost $ 5,000 Date March 1 March 5 March 9 March 17 March 22 March 27 March 30 Transactions Beginning inventory Sale ($400 each) Purchase Sale ($450 each) Purchase Sale ($475 each) Purchase Units 20 15 10 8 10 12 9 270 2,700 280 2,800 300 2,700 $13.200 Required: 1. Calculate ending inventory and cost of goods sold at March 31, 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. 2. Using FIFO, calculate ending inventory and cost of goods sold at March 31. 3. Using LIFO, calculate ending inventory and cost of goods sold at March 31. 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at March 31. 5. Calculate sales revenue and gross profit under each of the four methods. 6. Comparing FIFO and LIFO, which one provides the more meaningful measure of ending inventory? Explain. 7. If Greg's Bicycle Shop chooses to report inventory using LIFO instead of FIFO, record the LIFO adjustment