An index model regression applied to past monthly returns in Ford's stock price produces the following estimates, which are believed to be stable over time: f*0.1% + 1.1rM If the market index subsequently rises by 8.3% and Ford's stock price rises by 8%, what is the abnormal change in Ford's stock price? (Negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "%" sign in your response.) Abnormal return