Division S of Goody Company makes a part with the following characteristics:

Product capacity 50,000 units

Selling price on the outside market $20

Variable costs per unit $12

Fixed costs per unit $3

Division B, another division in the same company, presently is purchasing 10,000 units of a similar part of each period from an outside supplier, but would like to start purchasing from Division S. Division B is now paying a price of $18 per unit to the outside supplier.

1. Suppose that Division S has ample idle capacity to handle all of Division B's needs without any increase in fixed costs and without cutting into sales to outsiders. If Division S refuses to accept the $18 price from Division B, what would be overall impact on the company's profit as a whole? Use plus "+" or minus "-" to denote impact.
2. Suppose that Division S can sell that it can produce to outside customers at its regular selling price. If Division S sells to Division B at a price of $18 per unit, what would be the impact on the company's profit as a whole? Use plus "+" or minus "-" to denote impact.