Answer:
Vaughn should produce Plain as it makes greater profit.
Explanation:
Vaughn Manufacturing can sell all the units it can produce of either Plain or Fancy but not both.
Plain has a unit contribution margin of $86 and takes two machine hours to make and Fancy has a unit contribution margin of $111 and takes three machine hours to make.
There are 2400 machine hours available to manufacture a product.
Profit per machine hour for Plain
=
= $43
Profit per machine hour for Fancy
=
= $37
The difference in profit
= $43 - $37
= $6
Plain makes $6 more profit per machine hour than Fancy.