Mr. Gallagher is considering replacing his five-year-old car with a new one. The new car will cost $30,000, taking into consideration the trade-in value of the old car. The new car will save Mr....

Mr. Gallagher is considering replacing his five-year-old car with a new one. The new car will cost $30,000, taking into consideration the trade-in value of the old car. The new car will save Mr. Gallagher $5,000 per year in terms of gasoline, repairs, and maintenance. Mr. Gallagher plans to keep this new car for five years. At the end of five years, the car can be sold for $8,000. What is the internal rate of return on the new car?