Underwood, Inc., manufactures two products. It currently has 2.000 hours of direct labor and 800 hours of machine time available per month. The table below lists the contribution margin, labor and machine time requirements, and demand for each product Unit contribution margin Dern time Machine time Product $ 2300 400 units hour 1 hour 2600 1500 units 1 hour How much of each product should Underwood avtacture per month O 1400t of A and units of O O 4000 units of A and 400 units of B units of A and 1600 units of O 1400 units of A and 1600 units of