Calculating Contribution Margin and Contribution Margin Ratio, Finding Break-Even Point Lezoli Enterprises sells handmade clocks. Its variable cost per clock is $6, and each clock sells  for $15....

Lezoli Enterprises sells handmade clocks. Its variable cost per clock is $6, and each clock sells  for $15. Calculate Lezoli’s contribution margin per unit and contribution margin ratio. If the company’s fixed costs total $6,660, determine how many clocks Lezoli must sell to break even.