Abbey Co. sold merchandise to Gomez Co. on account, $18,000, terms 2/15, net 30. The cost of the merchandise sold is $12,600. Abbey Co.

Abbey Co. sold merchandise to Gomez Co. on account, $18,000, terms 2/15, net 30. The cost of the merchandise sold is $12,600. Abbey Co. issued a credit memo for $2,500 for merchandise returned that originally cost $1,800. Gomez Co. paid the invoice within the discount period. What is the amount of gross profit earned by Abbey Co.?