Using the data in the table LOADING...

,

a. What was the average dividend yield for theS&P 500 from2005-2017?

b. What was the volatility of the dividendyield?

c. What was the average annual return of theS&P 500 from2005-2017 excluding dividends(i.e., from capital gainsonly)?

d. What was the volatility of theS&P 500 returns from capitalgains?

e. Were dividends or capital gains a more important component of theS&P 500's average returns during thisperiod? Which were the more important source ofvolatility?