Sunland Company manufactures and sells two products. Relevant per unit data concerning each product follow. (a) Your answer is correct. Compute the contribution margin per machine hour for each product. If 1,020 additional machine hours are available, which product should Helena manufacture? eTextbook and Media (c) Calculate total contribution margin if the additional 1,020 hours are: (1) Divided equally between the products. (2) Allocated entirely to the product identified above