Assume IBM has the returns of 10%, 15%, 12%, 16%, and 18% over the past five years. The corresponding returns for the S$P 500 are 8%, 12%, 11%, 13%, 14% and that you have 30% of your wealth invested in IBM and 70% invested in the S&P 500. What was your overall return over the past five years?

		between 10% and 11%
		between 11% and 12%
		between 12% and 13%
		between 13% and 14%
		between 14% and 15%