Chitton, Inc sold 1.500 units last year for $20 each Variable costs por unt were $3.00 for direct material. $3.10 for direct labor, and $3.00 for variable overhead. Poved costs wore $60.600 in manufacturing overhead and $41500 in nonmanufacturing costs a. What is the total contribution margin? found your intermediate calculations to 2 decimal places.) b. What is the unit contribution margi? round your answer to 2 decimal places Una Dotation Map What is the contribution margin ratio? (Round your Intermediate calculations ada final answer to 2 decimal places) Conto d. If sales create by 2150 units by how much wit profits increase Round your intermediate cakulation to 2 decimal places and final answer to the nearest dollar amount