Which of the following statements is NOT CORRECT with regard to Richard Roll's criticism of the CAPM? A$)$ Roll argued that tests of the CAPM involved joint hypothesis and were thus not definitive. B$)$ Roll argued that you could produce a false positive because a faulty market proxy. C$)$ Roll argued that you could produce a false negative because a faulty market proxy. D$)$ Roll proved that the CAPM was false based on the money he lost using the CAPM to trade stocks.