$ $ 157 77 Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs $512,000 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 $224,000. 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 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 $224,000. per unit a Contribution margin b Break-even in units Sales in units DADOS Saved ook Problems i Total annual fixed manufacturing and operating costs $512,000 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 $224,000. 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 Reg D Determine the margin of safety in units, sales dollars, and as a percentage. (Round "Percentage" answer to 1 decimal place (e, 0.234 should be entered as 23.4).) Units Sales Percentage Margin of safety