Required information [The following information applies to the questions displayed below.] Greg's 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 Units Unit Cost $ 250 Total Cost $ 5,000 March 270 Transactions Beginning inventory Sale $400 each) Purchase Sale ($450 each) Purchase Sale ($475 each) Purchase March 5 March 9 March 17 March 22 March 27 March 30 2,700 20 15 10 8 10 12 9 280 2,800 300 2,700 $13,200 For 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. 5. Calculate sales revenue and gross profit under each of the four methods. (Round weighted-average cost amounts to 2 decimal places.) Specific Identification FIFO LIFO Weighted average cost Sales revenue Gross profit