b. At what discount rate (approximately) would the project have a zero NPV? Check your answer by calculating the NPV at your approximate rate: It should be close to zero. (Enter your answer as a percent rounded to the nearest whole number.) % Approximate discount rate b. At what discount rate (approximately) would the project have a zero NPV? Check your answer by calculating the NPV at your approximate rate: It should be close to zero. (Enter your answer as a percent rounded to the nearest whole number.) % Approximate discount rate