Required information M7-11 to 13 (Algo) Calculating Cost of Goods Available for Sale, Cost of Goods Sold, and Ending Inventory under Periodic FIFO, LIFO, and Weighted Average Cost [LO 7.3] [The following information applies to the questions displayed below.] In its first month of operations, Literacy for the lliterate opened a new bookstore and bought merchandise in the following order: (1) 180 units at $5 on January 1, (2) 510 units at $6 on January 8 , and (3) 810 units at $7 on January 29. M7.13 (Algo) Calculating Cost of Goods Available for Sale, Cost of Goods Sold, and Ending Inventory under Periodic Weighted Average Cost [LO 7-3] Assuming 900 units are on hand at the end of the month, calculate the cost of goods avoilable for sale, ending inventory, and cost of goods sold under weighted average cost flow assumptions. Assume a periodic inventory system is used. (Round "Cost per Unit" to 2 decimal places.)