Helena Company manufactures and sells two products. Relevant per unit data concerning each product follow. Product Basic Deluxe Selling price Variable costs Machine hours $45.00 $19.80 0.70 $51.00 $23.80 0.80 Compute the contribution margin per machine hour for each product. Basic Deluxe Contribution margin per machine hour If 1,020 additional machine hours are available, which product should Helena manufacture? Calculate total contribution margin if the additional 1,020 hours are: (1) Divided equally between the products. Basic Deluxe Total Contribution margin