Division X Makes a Part with the Following Characteristics

Multiple Choice

Division X makes a part with the following characteristics: Division Y of the same company would like to purchase 10,000 units each period from Division X. Division Y now purchases the part from an outside supplier at a price of $17 each.
-Suppose Division X has ample excess capacity to handle all of Division Y's needs without any increase in fixed costs and without cutting into sales to outside customers.If Division X refuses to accept the $17 price internally and Division Y continues to buy from the outside supplier,the company as a whole will be:

A) worse off by $70,000 each period.
B) better off by $10,000 each period.
C) worse off by $60,000 each period.
D) worse off by $20,000 each period.