Chilton, Inc. sold 11,600 units last year for $21 each. Variable costs per unit were $200 for direct materials, $2.60 for direct labor, and $2.80 for variable overhead. Fixed costs were 560,800 in manufacturing overhead and $41,900 in nonmanufacturing costs a. What is the total contribution margin? (Round your Intermediate calculations to 2 decimal places) Total Combuhan Marin 200 b. What is the unit contribution margin? (Round your answer to 2 decimal places) Lint Cotton Idrom c. What is the contribution margin ratio (Pound your hermediate calculations and final answer to 2 decimal places)