Required information [The following information opplies to the questions displayed below] In its fiest month of operations, Literacy for the ilititerate opened a new bookstore and bought merchandse in the foilowing orderi (1) 180 units of $5 on January 1, (2) 510 units at $6 on January 8 , and (3) 810 units at $7 on January 29. sssuming 900 units are on hand at the end of the month, calculate the cost of goods avallable for sale, ending inventory: and cost of oods sold under FFO. Assume a periodic inventory system is used. (Round "Cost per Unit" to 2 decimal places.)