The table below was taken from a ppt slide in Module 3 and shows the percent decline of the S&P 500 during adverse market conditions. (25 pts) Period 2007-2009 2000-2002 1987-1988 1973-1974 1968-1970 S&P 500 Return -52.5% -51.0% -33.5% -48.2% -36.1% a) What is the cumulative percent return of the S&P 500 during the periods shown in the table above assuming these such periods occurred sequentially? Show your calculation. (10 pts) b) Using your result in part (a) and assuming an initial investment of $1,000 in the S&P 500, what would be the value at the end of the last crisis assuming these periods occurred sequentially? Show your calculation. (15 pts)