I need some help trying to figure out the required rate of return. The outstanding stock pays a dividend of 5 dollars at the end of the year. The preferred stock sells for 60 dollars a share. How do I find out the required rate of return?

A company has a bond outstanding that pays $100 annual interest plus $1000 at maturity. It has a maturity of 10 years. What will be the value of the bond when the going rate of interest is 8 percent

James river $3.38 preferred stock is selling for $45.25. The preferred dividend is
Nongrowing. What is the required return on james river preferred stock