Stylish Shoe Store reported beginning merchandise inventory of $15,000. During the period, purchases were $70,000; purchase returns, $2,000; and freight in $5,000. A physical count of inventory at the end of the period revealed that $10,000 was still on hand. The cost of goods available for sale was, and please show calculation.

(a) $78,000.

(b) $82,000.

(c) $88,000.

(d) $92,000.

(e) none of the above.