Using LIFO, calculate ending inventory and cost of goods sold at March 31. 2015 Using weighted-average cost, calculate ending inventory and cost of goods sold at March 31, 2015. (Round your intermediate and final answers to 2 decimal places.) Calculate sales revenue and gross profit under each of the four methods. (Round weighted-average cost amounts to 2 decimal places.) [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. Calculate ending inventory and cost of goods sold at March 31, 2015, 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. Using FIFO, calculate ending inventory and cost of goods sold at March 31, 2015