Mct Company's total sales are $150,000. The company's direct material cost is $25,000. Its direct labor cost is $34,000. Its total manufacturing overhead costs consists of $15,000 variable costs and $30,000 fixed costs. Its total selling and administrative expense consists of $6,000 variable costs and 17,000 fixed costs. What is the total contribution margin? Select one: O a. $80,000 O b. $129,000 O c. $46,000 O d. None of the answers given O e. $70,000 O f. $76,000