26) The value-weighted average of the betas for all stocks is: 26) A) exactly 1.0; these stocks represent the market. B) greater than 1.0; most stocks are aggressive. C) unknown; betas are continually changing. D) less than 1.0; most stocks are defensive. 27) As the discount rate is increased, the NPV of a specific project will: 27) A) decrease to zero, then remain constant. B) increase. C) remain constant. D) decrease