You have $20,000 to invest for the next 40 years. you are offered an investment plan that will pay you 6% per year for the next 20 years and 10 % per year for the last 20 years.

1. What will be the value of your investment at t=20 years?

2. What will be the value of your investment at t = 37 years? t= 40 years?

3. Find the present value of your stream of cash flow(s).