Required information [The following information applies to the questions displayed below.] Campbell Company makes and sells products with variable costs of $24 each. Campbell incurs annual fixed costs of $340,360. The current sales price is $91. Required The following requirements are interdependent. For example, the $268,000 desired profit introduced in Requirement c also applies to subsequent requirements. Likewise, the $80 sales price introduced in Requirement d applies to the subsequent requirements. a. Determine the contribution margin per unit. Contribution margin per unit