Information concerning a product produced by Ender Company appears here: 157 Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs $ $ 83 $503, 200 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 $207,200. 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. Reg 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 $207,200. per unit a. Contribution margin b. Break-even in units C. Sales in units 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 $207,200. 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. Req A to C Reg D Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Perce ki.e.) 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety %