Bader Company has a beginning merchandise inventory of $15,000. During the period, purchases were $60,000; 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

a.

$82,000

b.

$72,000

c.

$78,000

d.

$68,000