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 literate opened a new bookstore and bought merchandise in the following order. (1) 200 units at $5 on January 1. (2) 300 units at $9 on January 8, and (3) 810 units at $10 on January 29. Assuming 910 units are on hand at the end of the month. M7-20 (Supplement 7A) Calculating Cost of Goods Sold and Ending Inventory under Perpetual FIFO [LO 7-S1] Calculate the cost of goods available for sale, cost of goods sold, and ending inventory under the FIFO. Assume perpetual inventory system and sold 400 units between January 9 and January 28. (Round your intermediate calculations to 2 decimal places.) Answer is complete but not entirely correct. FIFO Goods Available for S 11.800 Sale Cost of Goods Sold Ending Inventory S 8,600 X 400 X