Surf Company can sell all of the two surfboard models it produces, but it has only 452 direct labor hours avallable. The Glide model fequires 2 direct labor hours per unit. The Uifra model requires. 4 direct labor hours per unit. Contribution margin per unit is $252 for Gide and $404 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. Compute the contribution margin per direct labor hour for each product. Surf Company can sell all of the two surfboard models it produces, but it has only 452 direct labor hours available. The Glide model requires 2 direct labor hours per unit. The Ultra model requires 4 direct labor hours per unit. Contribution margin per unit is $252 for Gilde and $404 for Ultra. (o) 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 mix and the resulting contribution margin