Over an 8-month period , the S&P/ASX market index moves from 7000 down to 6650. The dividend yield on the market index is 4.5% per annum and the riskfree rate of interest is 1.8% per annum. If your share portfolio has a beta of 0.80, what is the percentage change in your portfolio over this 8-month period? Select one: -0.04% -3.64% -2.00% -1.36% -5.00% -0.16%.