Which of the following statements regarding portfolio revisions is/are INCORRECT?

1) For effective implementation of constant Dollar value plan , it is necessary to estimate the possibility and extend of downward fluctuation of the aggressive portfolio

2) Constant ratio plan becomes less aggressive in sales when the stock price rise

3) During a sustained rise or fall of stock prices the constant ratio plan gives higher profit than other two formula plans

4) Variable ratio plan stock portfolio becomes more aggressive when stock prices rise and vice versa.