Chilton, Inc. sold 12.900 units last year for $21 each. Variable costs per unit were $2.00 for direct materials, $3.40 for direct labor and $310 for variable overhead Fixed costs were $61,500 in manufacturing overhead and $40.400 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.) Contribution Margin Ratio 1% d. If sales increase by 2.150 units, by how much will profits increase? (Round your intermediate calculation to 2 decimal places and final answer to the nearest dollar amount.) Proteina