The following unit-based profit functions are for X Company's only two products, 1 and 2, last year: Product 1: P $2.01X $30,000 Product 2: P-$5.48x-162,000 Unit sales of A were 21,000, and unit sales of of were 11,000. 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 $43,000 (round the weighted average contribution margin per unit to twe decimal places) OA 13,824 OB 17,200 0 21,600 OD: 27,000 33,750 OF 42,180