Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow: Contribution Margin per unit 546 38 51 Percentage of Unit sales Lens A Lens B Lens C 34 34 Suppose the product mix has shifted to 37/32/31 Required 1. Determine the new weighted-average contribution margin per unit (Round your intermediate calculation to 2 decimal places. Round your answer to 2 decimal places.) d Average CM per unit 2. Determine the number of units of each product that Tiago must sell to break even if fioxed costs are $180,000. Round intermediate calculations to nearest whole number. Round your answers up to the next whole number.) Units of A Units of B Units of C Units Units 3. Determine how many units of each product must be sold to generate a profit of $64,000. (Round intermediate calculations to nearest whole number. Round your answers up to the next whole number.) Units of A Units of B Units of C Units Units Units