There are two constraints, assembly hours and packaging hours. In the manufacturing process of Product A and B: Contribution Margin per unit Product A $ 110 Product B $ 175 3 2.5 4 1.5 Assembly hours per unit Packaging hours per unit Total hours available for assembly Total hours available for packaging 12,384 6,210 a. Given the two constraints above, how many units of each product should the company manufacture to maximize its profit? (Round answers to whole numbers.) Product A Product B units units b. At the production level above, what is the total contribution margin for the company? (Use whole numbers in units. Round the final answer to a whole number.) Total Contribution = $