Santana Rey has found that Business Solutionss line of computer desks and chairs has become very popular, and she is finding it hard to keep up with demand. She knows that she cannot fill all of her orders for both items, so she decides she must determine the optimal sales mix given the resources she has available. Information about the desks and chairs follows. Desks Chairs Selling price per unit $ 1,554.00 $ 622.00 Variable costs per unit 440.00 230.00 Contribution margin per unit $ 1,114.00 $ 392.00 Direct labor hours per unit 8 hours 7 hours Expected demand for next quarter 170 desks 48 chairs Santana has determined that she only has 1,598 direct labor hours available for the next quarter and wants to optimize her contribution margin given the limited number of direct labor hours available.