Manico Corporation produces three products - X. Y, & Z - with the following characteristics: The company has only 2,000 machine - hours available each month. If demand exceeds the company's capacity, in what sequence should orders be filled if the company wants to maximize its total contribution margin? orders for Z first, X second, and Y third 6. orders for X first, Z second, and Y third orders for Y first, X second, and Z third orders for Z first and no orders for X or Y