QS 2312 (Algo) Sales mix analysis LO P3 Surf Company can sell all of the two surfboard models it produces, but it has only 424 direct labor hours avallable. The Gilde model requires 2 direct labor hours per unit. The Uitra model requires 4 direct labor hours per unit. Contribution margin per unit is $224 for Glide and $348 for Ultra. (a) Compute the contribution margin per direct labor hour for each product. (b) Determine the best sales mix and the resulting contribution margin. Complete this question by entering your answers in the tabs below. Determine the best sales tnix and the resuiting contribution margin