Division are the Harris corporation has the capacity to make 40,000 wheel sets per year and currently sells 34,000 sets per year on the outside market. regular selling price for outside customers is $89 per Wheel set and the variable production cost per set is $56. division S of Harris corporation currently buys 6000 wheel sets (of the kind made by division R) yearly from an outside supplier at a price of $85 per set. if division S were to buy the 6000 wheel set it needs annually from division R at $83 per wheel set then what would be the change in annual operating income for the company as a whole