Manico Company 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? Select one: a. Orders for Y first, X second, and Z third. b. Orders for Z first, X second, and Y third. c. Orders for Z first and no orders for X or Y