Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow: Percentage of Unit Contribution Margin per sales unit Lens A 30% $35 Lens B 36 27 Lens C 34 40 Required: 1. Determine the weighted average contribution margin per unit 2. Determine the number of units of each product that Tlago must sell to break even if fixed costs are $192,000. 3. Determine how many units of each product must be sold to generate a profit of $67,000. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Determine the weighted average contribution margin per unit. (Round your intermediate calculations and final answer to 2 decimal places.) Weighted Averago CM per unit