Information concerning a product produced by Ender Company appears here: Sales price per unit Variable cont per unit Total annual fixed manufacturing and operating costs $ $ 200 80 $600,000 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 $240,000. d. Determine the margin of safety in units, sales dollars, and as a percentage. Req A to C Req 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 $240,000. per unit a. Contribution margin b. Break-even in units c. 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 (i... 0.234 should be entered as 23:4).) Units Sales Porcentage Margin of safety Heq AtoC