A company can sell all the units it can produce of either Product A or Product B but not both. Product A has a unit contribution margin of $16 and takes two machine hours to make and Product B has a unit contribution margin of $42 and takes three machine hours to make. If there are 8000 machine hours available to manufacture a product, income will be $48000 more if Product A is made. $48000 less if Product B is made. the same if either product is made. $48000 less if Product A is made