If returns of S&P 500 stocks are normally distributed, what range of returns would you expect to see 95% of the time? Base your answer on the information below.

	Small Stocks	S&P 500	Corporate Bonds	T-Bills
Average Return	19.96%	11.17%	6.65%	4.09%
Standard Deviation of returns	39.43%	20.17%	7.34%	3.67%

The 95% prediction interval of the S&P500 is between _____% and ____%. (Round to two decimal places and put the lower number first.)