Check my work 3 Information concerning a product produced by Rooney Company appears as follows: 2.5 points Sales price per unit Variable cost per unit Total annual fixed manufacturing and operating costs $ 168 $ 75 $651,000 eBook Required Determine the following: Print a. Contribution margin per unit. b. Number of units that Rooney must sell to break even. c. Sales level in units that Rooney must reach to earn a profit of $102,300. References a. Contribution margin per unit b. Break-even in units c. Required sales in units