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 Sales 34% 33 33 per Unit $ 33 25 38 Suppose the product mix has shifted to 39 % / 31 % / 30 %. Required: 1. Determine the new 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 $177,000. Suppose the product mix has shifted to 39% / 31% / 30%. 3. Determine how many units of each product must be sold to generate a profit of $81,000 if fixed costs are $177,000. Suppose the product mix has shifted to 39 % / 31 % / 30 %. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Determine the new weighted-average contribution margin per unit. Note: Round your intermediate calculations and final answer to 2 decimal places. Weighted Average CM per Unit Required 1 Required 2 >