Enter answers for each of the following tabs. Compute contribution margin per unit for (a) Crush surfboards and (b) Mellow surfboards. Compute contribution margin per direct labor hour for (a) Crush surfboards and (b) Mellow surfboards. Enter answers for each of the following tabs. If demand for the company's products is limited, list these two products in the order in which management should produce them and meet demand. The folowing dashboard shows information for two surfoeard models