Safeena company which produces one product has the below information were month. Sales revenue (6000 units @ $12.00 per unit) Variable expenses Contribution margin Fixed expenses 572,000 54.000 18,000 12.000 $6.000 Operating income Required: 1. Compute the company's: a. CM per unit b. CM ratio c. Compute the break-even sales in Units [1 mand d. Compute the break-even sales in Dollar amount