Required information [The following information applies to the questions displayed below.] The following are the transactions for the month of July. Required: a. Calculate cost of goods available for sale aryd ending inventory under FIFO. Assume a periodic inventory system 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. Calculate cost of goods avallable for sale and ending inventory under FIFO. Assume a periodic inventory system is used. Required: a. Calculate cost of goods avallable 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. Calculate cost of goods available for sale and ending inventory under FFFO. Assume periodic inventory system is used. Required: a. Calculate cost of goods avallable for sale and ending inventory under FIFO. Assume a periodic inventory system is use 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. Calculate sales, cost of goods sold, and gross profit, under FIFO. Assume a periodic inventory system is used