International Imports is a merchandising Firm. Last year they reported sales of $674,500 and cost of goods sold of $404,700. The company's total variable selling and administrative expense was $60,705, and fixed selling and administrative expense was $53,960. The total contribution margin for the firm is:_______. a. $60,705. b. $114,665. c. $404,700. d. $465,405.