Exercise 3-5A Contribution margin per unit approach for break-even and desired profit LO 3-1 Information concerning a product produced by Franklin Company appears here: Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs Required Determine the following: a. Contribution margin per unit. b. Number of units that Franklin must sell to break even $ 170 $ 84 $524,600 c. Sales level in units that Franklin must reach to earn a profit of $301,000. a. Contribution margin per unit b. Break-even in units c. Required sales in units