Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow: Percentage of Unit Contribution Margin Lens A Lens B Lens C Required: Sales 21% 42 37 per Unit $ 38 30 43 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 $69,000 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. Note: Round your intermediate calculations and final answer to 2 decimal places. Weighted-average CM per Unit