Drake, Inc., which has fixed costs of $1,400,000, sells three products whose sales price, variable cost per unit and percentage of sales units are presented in the table below. Sales Price Variable Cost Sales Mix Product A $ 16.00 $ 8.00 40% Product B $ 48.00 $ 30.00 5096 Product $ 103.00 s 85.00 10% a. What is the weighted average unit contribution margin? Refer to Question 38 (Drake, Inc.). b. At the break-even point, how many units of Product A must be sold