Chilton, Inc. sold 12.600 units last year for $21 each Variable costs per unit were $200 for direct materials, $3.40 for direct labor, and $3.90 for variable overhead. Fored costs were $60,100 in manufacturing overhead and $41,400 in nonmanufacturing costs. a. What is the total contribution margin? (Round your intermediate calculations to 2 decimal places.) Total Contribution Margin b. What is the unit contribution margin? (Round your answer to 2 decimal places) Unit Contribution Margin c. What is the contribution margin ratio? (Round your intermediate calculations and final answer to 2 decimal places.) Conton Margin Ratio % d. If sales increase by 2.120 units, by how much will profits increase? (Round your intermediate calculation to 2 decimal places and final answer to the nearest dollar amount.) Pro Increase