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: 1.36% 2.00% 0.04% 5.00% 0.16%