5. ABC Company's sales mix is 3 units of A, 2 units of B, and 1 unit of C. Selling prices for cach product are $20, S30, and S40, respectively. Variable costs per unit are $12, $18, and $24, respectively, Fixed costs are S320,000. The sales mix ratio for ABC Company is: (5 Points) The selling price per composite unit is: (5 Points) The variable cost per composite unit is: (5 Points) The Contribution margin per composite unit is: (5 Points)