Abbey Co$.$ sold merchandise to Gomez Co$.$ on account, $$33,200,$ terms $2/15,$ net $45.$ The cost of the merchandise sold was $$13,200.$ Abbey Co$.$ issued a credit memo for $$2,800$ for defective merchandise, which was not returned to Abbey. Gomez Co$.$ paid the invoice within the discount period. What is the gross profit earned by Abbey Co$.$ on these transactions?