6) (20 Points) Statistics from the U.S. Census Bureau statistics show that the annual earnings for persons with a high-school diploma are $50,000, versus $70,000 for someone with a bachelor's degree. The total cost of attending college is equivalent to a future value of $200,000 at the time of graduation. You plan to work for 40 years after graduation (whether high school or college). Also, please assume that you won't use your high-school diploma to earn money throughout your college education. a) (10 Points) Find the internal rate of return of earning a bachelor's degree by interpolating between 5% and 15%. b) (5 Points) If your minimum acceptable rate of return is 10%, is a college education a good idea? c) (5 Points) How could you find the internal rate of return more accurately using interpolation? What is another method you could use to find the internal rate of return