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 $ 165 $ 82 $514,600 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 $157700 d. Determine the margin of safety in units, sales dollars, and as a percentage 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 $157,700. per unit a. Contribution margin b. Break-even in units c. Sales in units Req AtoC Req 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