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 $ 166 $ 81 3518,500 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 $212,500 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 Reg 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 $212,500 Contribution margin per unit 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 $212,500. 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 Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage" answer to 1 decim (.e., 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety %