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In its first month of operations, Literacy for the Illiterate opened a new bookstore and bought merchandise

in the following order: $(1)300$ units at $$7$ on January $1,(2)450$ units at $$8$ on January $8,$ and $(3)750$ units at

$$9$ on January $29.$

Assuming $900$ units are on hand at the end of the month, calculate the cost of goods available for sale, ending inventory,

and cost of goods sold under LIFO. Assume a periodic inventory system is used. $($Round "Cost per Unit" to $2$ decimal

places.$)$

Answer is complete but not entirely correct.