Tlago makes three models of camera lens. Its product mx 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 Tlago must sell to break even if fli-u costs are $196,000. 3. Determine how many units of each product must be sold to generate a profit of $78,000. Complete this question by entering your answers in the tabs below. Determine the weighted-average contribufion margin per unit. Note: Round your intermediate calculations and final answer to 2 decimal places