Compute the difference in cost per unit between making and buying the remotes if none of the fixed costs can be avoided. What is the change in net income, if Frannie Fans buys the remotes?

Compute the difference in cost per unit between making and buying the remotes if $$20,200$ of the fixed costs can be avoided. What is the change in net income, if Frannie Fans buys the remotes?

What is the change in net income if fixed cost of $$20,200$ can be avoided and Frannie could rent out the factory space no longer in use for $$20,200?$