Find the future value of the following ordinary annuity, if payments are made and interest is compounded as given: R=4600;8.73% interest compounded quarterly for 9 years. How much of this value is from contributions and how much is from interest  ?  Find the effective rate corresponding to the nominal rate of 6.25% compounded semiannually.  A stock that sold for $22 at the beginning of the year was selling for$24 at the end of the year. If the stock paid a dividend of \$0.50 per share, what is the simple interest rate on an investment in this stock?