Required information [The following information applies to the questions displayed below.] In its first month of operations, Literacy for the Illiterate opened a new bookstore and bought merchandise in the following order: (1) 320 units at $6 on January 1, (2) 540 units at $7 on January 8 , and (3) 840 units at $9 on January 29. Issuming 1,035 units are on hand at the end of the month, calculate the cost of goods avallable for sale, ending inventory, and ost of goods sold under FIFO. Assume a periodic inventory system is used, (Round "Cost per Unit" to 2 decimal places.)