Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow Lens A Lens B Lens C Percentage of Unit sales 28% 44 28 Contribution Margin per unit $44 36 49 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 $186,000 3. Determine how many units of each product must be sold to generate a profit of $80,000 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) Woighted Average CM per unit