) Your parents have an investment portfolio of $400,000, and they wish to take out cash flows of $50,000 per year as an ordinary annuity. How long will their portfolio last if the portfolio is...

) Your parents have an investment portfolio of $400,000, and they wish to take out cash flows of $50,000 per year as an ordinary annuity. How long will their portfolio last if the portfolio is invested at an annual rate of 5.50%? Use a calculator to determine your answer.