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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 $ $ 161 94 $ 428,800 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 $113,950. 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 $113,900. per unit a. Contribution margin b. Break-even in units c. Sales in units Req A to C Read Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage answer to 1 decimal place (l.e., 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety