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				Unit Cost				Total Cost
March	1		Beginning inventory		20			$	250				$	5,000
March	5		Sale ($400 each)		15
March	9		Purchase		10				270					2,700
March	17		Sale ($450 each)		8
March	22		Purchase		10				280					2,800
March	27		Sale ($475 each)		12
March	30		Purchase		9				300					2,700
													$	13,200

5. Calculate sales revenue and gross profit under each of the four methods. (Round weighted-average cost amounts to 2 decimal places.)

1. Specific Identification

2. FIFO

3. LIFO

4. Weighted Average