Underwood, Inc. manufactures two products. It currently has 2,250 hours of direct labor and 900 hours of machine time available per month. The table below lists the contribution margin, labor and machine time requirements, and demand for each product Product A Unit contribution margin $34.00 Product $31.00 Demand 1,600 units 1,800 units Labor time Machine time hour 1 hour hour hour How much of each product should Underwood manufacture per month? Mutiple Choice O units of A and 1,800 units of 1600 units of A and O units of 1,600 units of A and 1,800 units of 4500 units of A und 1600 units of