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 $544,000 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 $144,500. 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 AtoC 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 $144,500. a. Contribution margin b. Break-even in units per unit C. Sales in units RogAtoc ReqD> Exercise 11-19A (Algo) Margin of safety LO 11-6 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 $544,000 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 $144,500. 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 Reg D DO mine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage answer to 1 decimal place le 0.234 should be entered as 23.4).). Units Sales Percentage Margin of safety