Tiago makes three models of camera lens. Its product mix and contribution margin per unit follow: Percentage of Unit Contribution Margin sales per unit $38 Lens A 25% Lens 40 30 43 Lens C 35 Suppose the product mix has shifted to 40/30/30. 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.) Weighted Average CM per unit 2. Determine the number of units of each product that Tiago must sell to break even if fixed costs are $187,000. (Round your intermediate calculations and final answers to the nearest whole number. Round your answers to the nearest whole number.) Units of Units A Units of B Units of Units Units C 3. Determine how many units of each product must be sold to generate a profit of $73,000. (Round your intermediate calculations and final answers to the nearest whole number. Round your answers to the nearest whole number.) Units of Units A Units of Units B Units of Units C