7. When you are a contrarian investor, which of the following beliefs about investor behavior do you subscribe to? a. Investors make mistakes and correct them over time. Investors push up (down) prices of good (bad) companies too much, but correct them over time. c. Investors push up (down) prices of bad (good) companies too much, but correct them over time. d. Investors learn slowly, gradually increasing (decreasing) prices of good (bad) companies e. Investors don't make mistakes