Required information [The following information applies to the questions displayed below.) The following are the transactions for the month of July. Unit Selling Price July July 13 July 25 July 31 Beginning Inventory Purchase Sold Ending Inventory Unit Coat $ 10 13 Units 50 250 (200) 200 $ 15 Required: a. Calculate cost of goods available for sale and ending inventory under FIFO. Assume a periodic inventory system is used. b. Calculate sales, cost of goods sold, and gross profit, under FIFO. Assume a periodic inventory system is used. Complete this question by entering your answers in the tabs below. Required A Required B Calculate sales, cost of goods sold, and gross profit, under FIFO. Assume a periodic inventory system is used. FIFO (Periodic) Sales Cost of Goods Sold Gross Profit