You have 30 years left until retirement and want to retire with $ 2 million. Your salary

Question:

You have 30 years left until retirement and want to retire with $ 2 million. Your salary is paid annually, and you will receive $ 70,000 at the end of the current year. Your salary will increase at 3 percent per year, and you can earn a return of 9 percent on the money you invest. If you save a constant percentage of your salary, what percentage of your salary must you save each year?