Tela Company Makes a 3-In-1 Product That Combines a Printer

Tela Company makes a 3-in-1 product that combines a printer, fax machine, and copier for home use. Currently, Tela makes all components of the 3-in-1 machine in-house. An outside company has offered to supply one component, part number B48, for $8 each. Tela uses 15,000 of these components per year. Costs of B48 are as follows:
$\begin{array}{lr}\text { Direct materials } & \$ 4.00 \\\text { Direct labour } & 2.00 \\\text { Variable overhead } & 1.50 \\\text { Fixed overhead } & 3.00\end{array}$
-Refer to the Figure.Suppose that 40% of the fixed overhead is avoidable if part B48 is NOT made by Tela.Should Tela purchase the part from the outside supplier,and what is the financial effect?

A) No, income will decrease by $10,500.
B) No, income will decrease by $7,500.
C) Yes, income will increase by $7,500.
D) Yes, income will increase by $10,500.