Abbey Co. sold merchandise to Gomez Co. on account, $35,000, terms 2/15, net 45. The cost of the goods sold was $24,500. Abbey Co. issued a credit memo for $3,600 for merchandise returned that originally cost $1,700. Gomez Co. paid the invoice within the discount period. What is the amount of gross profit earned by Abbey Co. on the above transactions? a. $31,400 b. $7,972 c. $30,772 d. $10,500