Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs $ $ 170 80 $603,000 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 $153,000. 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 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 $153,000. a. Contribution margin b. Break-even in units per unit c. Sales in units HV CU LACULUM operating costs 5603,000 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 $153,000 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 ReqD Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage" answer to 1 decimal place (i.e., 0.234 should be entered as 23.4))) Units Sales Percentage Margin of safety