Tlago makes three models of camera lens, Its product mix and contribution margin per unit follow: Required: 1. Determine the weighted-average contribution margin per unit. 2. Determine the number of units of each product that nago must sell to break even if fixed costs are $183,000. 3. Determine how many units of each product must be sold to generate a profit of $64,000. Complete this question by entering your answers in the tobs below. Determine the weighted-average contribution margin per unit. Note: Round your intermediate calculations and final answer to 2 decimaf places