Current Attempt in Progress Cullumber Company manufactures and sells two products. Relevant per unit data concerning each product follow. (a) Compute the contribution margin per machine hour for each product. Your answer is correct. Compute the contribution kargin per machine hour for each product. (b) If 1,010 additional machine hours are available, which product should Helena manufacture? Calculate total contribution margin if the additional 1,010 hours are: (1) Divided equally between the products. (2) Allocated entirely to the product identified above