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 $ 162 $ $489,800 83 Required Determine the following: 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 $189,600. 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. 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 $189,600. per unit a Contribution margin b. Break-even in units C. Sales in units Req A to C ReqD Determine the margin of safety in units, sales dollars, and as a percentage (i.e., 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety 8,186 $ 189,600 S. :%