Tommy is currently holding 75 shares of Netflix, 16 shares of Google, and 62 shares of John Deere in her secret portfolio. To purchase a new car, he is planning to short the 70 shares of Netflix and 16 shares of Google. As a result of this action, Tommy's portfolio would

A. reduce the free cash flows.

B. increase the volatility of returns.

C. reduce the probability of high returns.

D. increase the expected rate of return.