The price to cash flow (P/CF) model has grown in popularity for all of the following reasons EXCEPT:（）

A. CFs are more easily estimated than future dividends.

B. CFs are generally more difficult to manipulate than earnings.

C. CFs may be used for firms that have negative earnings per share or do not pay dividends.

With respect to corporate governance, which of the following is most likely eligible to serve on the board:（）

A. independent board members.

B. independent nonexecutive board members.

C. executive board members.