Required information M7-20 to 22 (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under Perpetual FIFO, LIFO, and Weighted Average Cost [LO 7-S1) In its first month of operations, Literacy for the Ililiterate opened a new bookstore and bought merchandise in the following order:(1) 450 units at $4 on January 1. (2) 550 units at $6 on January 8, and (3) 860 units at $7 on January 29. Assuming 960 units are on hand at the end of the month. M7-22 (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under Perpetual Weighted Average Cost [LO 7-S1 Calculate the cost of goods available for sale, cost of goods sold, and ending inventory under the weighted average cost flow nassumptions. Assume perpetuel inventory system and sold 900 units between January 9 and January 28. (Round your intermediate colculations to 2 decimal pleces ted Average Goods Avatable for Sale Cost of Goods Soid Ending Incentony