please explain why the answers for 11 and 12. I got them from an answer key but I do not understand why the answers are the ones that they are. will rate, thank you!

11. Manico Company produces three products - Xan, Yon, & Zen - with the following characteristics: Xan $20 100% 12 60% $8 40% Yon Zen $15 Selling price per unit Variable cost per unit Contribution margin per unit Machine hours per unit 100% 40% 60% 100% $16 12 $4 75% 25% $9 6. The company has only 2,000 machine-hours available each month. In what sequence should orders be filled if the company wants to maximize its total contribution margin? A. orders for Zen first, Xan second, and Yon third. B. orders for Xan first, Zen second, and Yon third. C. orders for Yon first, Xan second, and Zen third. D. orders for Zen first and no orders for Xan or Yon. 12. The Cook Company has two divisions-Easten and Westem. The divisions have the following revenues and expenses: Eastern $550,000 275,000 180,000 170.000 $(75,000) Westen $500,000 200,000 150,000 135,000 $ 15,000 Sales Variable costs Direct (Traceable) fixed costs Allocated corporate costs Net Income (Loss) The management of Cook is considering the elimination of the Eastern Division. If the Eastern Division were eliminated, the direct fixed costs associated with this division could be avoided. However, corporate costs would still be $305,000 in total. Given these data, the elimination of the Eastern Division would result in an overall company net income (loss) of: A. $15,000. B. ($155,000). C. ($75,000). D. ($60,000)