5. What would you pay for a security that will pay 20 annual payments of $50 if the required rate of return =4% ? 6. You pay $2,500 today and receive a series of six $700 annual payments. What is your rate of retum? 7. A security will pay $40 annually for 12 years, plus $1,000 at the end of the 12th year. With required return =3%, what is the security worth today