The following unit-based profit functions are for X Company's only two products, 1 and 2, last year: Product 1: P =$3.79X1 - $36,000 Product 2: P2 = $5.59X2 - $67,000 Unit sales of A were 25,000, and unit sales of of B were 12,000. Assuming there is no change in the product mix, how many total units must be sold next year in order for X Company to earn profit of $40,000 [round the weighted average contribution margin per unit to two decimal places]? A: 28,959 OB: 32,723 C: 36,977 OD: 41,784 OE: 47,216 OF: 53,354