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 snufacturing and operating costs $ 171 $ $539,500 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 $157,700. 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. 6. Number of units that Ender must sell to break even. c. Sales level in units that Ender must reach to earn a profit of $157,700. per unit & Contribution margin b. Break even in units Sales in units Reg A to C Reg D Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage answer to 1 decimal place (1.e., 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety