Gregs Bicycle Shop has the following transactions related to its top-selling Mongoose mountain bike for the month of March. Greg's Bicycle Shop uses a periodic inventory system.

Date	Transactions	Units	Cost per Unit	Total Cost
March 1	Beginning inventory	20	$190	$	3,800
March 5	Sale ($280 each)	15
March 9	Purchase	10	210		2,100
March 17	Sale ($330 each)	8
March 22	Purchase	10	220		2,200
March 27	Sale ($355 each)	12
March 30	Purchase	8	240		1,920
				$	10,020
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.(Round weighted-average cost amounts to 2 decimal places.)