7. Malibu, Inc., which has fixed costs of $2,150,000, sells three products whose sales price, variable cost per unit, and percentage of sales units are presented in the table below. Product A Product B Product C Sales Price$7.00 $12.00 $25.00 Variable Cost $3.00 $10.00 $12.00 Sales Mix 1600% 1300% 1100% a. What is the weighted average unit contribution margin? b. At the break-even point, how many units of Product A must be sold