Ivanhoe Corporation's Midwestern region operates as an investment center. Rich Ruhlman, the division's manager, has set a 15% required minimum rate of return. Ruhlman is considering investing in computerized manufacturing equipment with a cost of $224000. The equipment is expected to generate $65400 in additional operating income. What is the equipment's residual income? a $65400 $33600 $31800 None of these answer choices are correct