Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow: Percentage of Contribution Unit Sales Margin per Unit Lens A 248 $ 38 Lens B 39 30 Lens C 37 43 Required: 1. Determine the weighted-average contribution margin per unit. 2. Determine the number of units of each product that Tiago must sell to break even if fixed costs are $193,000. 3. Determine how many units of each product must be sold to generate a profit of $64,000. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 nces Determine the weighted-average contribution margin per unit. Note: Round your intermediate calculations and final answer to 2 decimal places. Weighted-average CM per Unit