Division P of Turbo Corporation has the capacity for making 140,000 wheel sets per year and regularly sells 105,000 each year on the outside market. The regular sales price is $100 per wheel set, and the variable production cost per unit is $73. Division Q of Turbo Corporation currently buys 37,300 wheel sets (of the kind made by Division P) yearly from an outside supplier at a price of $94 per wheel set. If Division Q were to buy the 37,300 wheel sets it needs annually from Division P at $89 per wheel set, the change in annual net operating income for the company as a whole, compared to what it is currently, would be:

A) $1,400,000
B) $721,200
C) $631,200
D) $1,050,000