Ex 7 (4 points) Multi Company makes three products. To follow is the financial and production data per Prod A Prod B Prod C Sales price $18.00 $24.00 $30.00 Variable costs $13.50 $21.00 $21.60 Contribution margin per unit $4.50 $3.00 $8.40 Direct material required per unit (in lbs) 1 4 3 Due to problems with suppliers, Multi Company only has 4200 pounds of material available. Assume product demand of 500 units for product A, 2000 units product B and 400 units product C. Prod A Prod B Prod C What is the most profitable sales mix in units? II What is the total contribution margin at ideal sales mix