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 28% $35 Lens B 37 27 Lens C 35 4e 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 $178,000 3. Determine how many units of each product must be sold to generate a profit of $71,000. 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 Average CM per unit Required 2 > Required 1 Required 2 Required 3 Determine the number of units of each product that Tiago must sell to break even if fixed costs are $178,000. (Round your intermediate calculations to nearest whole number. Round your answers up to the next whole number. Round weighted- average contribution margin per unit to 2 decimal places.) Units of A Units of B Units of Units Units Units Required 1 Required 2 Required 3 Determine how many units of each product must be sold to generate a profit of $71,000. (Round your intermediate calculations to nearest whole number. Round your answers up to the next whole number. Round weighted average contribution margin per unit to 2 decimal places.) Units Units of A Units of B Units of Units Units