Use graphical approximation techniques to answer the question. When would an ordinary annuity consisting of quarterly payments of $683.25 at 8% compounded quarterly be worth more than a principal of...

Extracted text: Use graphical approximation techniques to answer the question. When would an ordinary annuity consisting of quarterly payments of $683.25 at 8% compounded quarterly be worth more than a principal of $5200 invested at 6% simple interest? The annuity would be worth more than the principal in approximately years. (Round to one decimal place as needed )