Spring, Inc., manufactures two products. It currently has 1350 hours of direct labor and 2.250 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 Demand Labor tine Machine time Product A $35.00 1,800 units 1/2 hour 1 hour Products $27.00 900 units 1/2 hour 1/2 hour How much of each product should Spring manufacture per month Multiple Choice unts of Amd 1000 units of 800 units of Ando Onts of A and 2 out of LB And 200 to