Which of the Following Accurately Reflect Appropriate Investment Guidelines

Multiple Choice

Which of the following accurately reflect appropriate investment guidelines?
I.always invest in last year's best performing mutual fund
II.trade frequently to increase your investment returns
III.sell losing stocks unless you are willing to buy them at the current price
IV.take corrective action when so indicated

A) I and II only
B) III and IV only
C) I, III and IV only
D) I, II, III and IV