Problem 6-2A Calculate ending inventory, cost of goods sold, sales revenue, and gross profit for four inventory methods [(LO3, 4, 5) 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 2015. Greg's Bicycle Shop uses a periodic inventory system Cost per Unit Total Cost Date March 1 Beginning inventory March 5 Sale ($360 each) March 9 Purchase March 17 Sale ($410 each) March 22 Purchase March 27 Sale ($435 each) March 30 Purchase TransactionS Units 20 $230 4,600 2,500 2,600 2,240 $11,940 15 10 8 10 12 8 250 260 280