Sered Help Save L 5 3 points Book Information concerning a product produced by Ender Company appears here: Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs Required Determine the following: P a. Contribution margin per unit References $ 159 $ $475,000 b. Number of units that Ender must sell to break even. c. Sales level in units that Ender must reach to earn a profit of $304,200. d. Determine the margin of safety in units, sales dollars, and as a percentage. Complete this question by entering your answers in the tabs below. M Req A to C Req D a. Contribution margin per unit. b. Number of units that Ender must sell to break even. c. Sales level in units that Ender must reach to earn a profit of $304,200. a Contribution margin b Break-even in units Sales in units per unit C. RecANC Req D > C