XYZ produces and sells two products, A and B. A has a contribution margin of $4 per unit while B has a contribution margin of $6 per unit. For every unit of A that is sold, three units of B are sold. XYZ has fixed costs of $825,000 per year. How many units of each product must be sold for XYZ to earn an operating profit of $220,000 ? Select one: a. Product A: 142,500;; Product B: 47,500 . b. Product A: 112,500; Product B: 37,500 . c. Product A:47,500; Product B:142,500. d. Product A:37,500; Product B:112,500