b. 17.5% information 3. The Queens Co. estimates it can save $4,200 per year in cash operating costs for the next 10 years if it buys a special-purpose machine at a cost of $16,500. No salvage value is expected. The company's minimum required rate of return is 14%. The investment is acceptable because the c. The project is acceptable because the IRR NPV is positive. is less than the cost of capital rate. b. The investment should be rejected because d. The project should be rejected based on its the NPV is negative. IRR nie (rounded): a