Required Information M7-20 to 22 (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under Perpetual FIFO, LIFO, and Welghted Average Cost (LO 7-S1 In its first month of operations, Literacy for the Iliterate opened a new bookstore and bought merchandise in the following order: (1) 300 units at $5 on January 1, (2) 450 units at $8 on January 8, and (3) 850 units at $9 on January 29. Assuming 1,000 units are on hand at the end of the month. M7-21 (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under Perpetual LIFO [LO 7-S1) Calculate the cost of goods available for sale, cost of goods sold, and ending inventory under the LIFO. Assume perpetual inventory system and sold 600 units between January 9 and January 28. (Round your Intermediate calculations to 2 declmal places.) LIFO Goods Available for Sale Cost of Goods Sold Ending Inventory