[Pharaoh]

Charles,

Not all professional traders add to winning systems. If the investment is supposed to be providing some form of income, it's traditional to take out a percentage of the monthly profits.

If I might offer a suggestion:

I would recommend an account running your version of FAPS with NO deposits or withdrawals after the original deposit. I would even recommend initiating trading on the first day of a month.

This would make it very easy to post the beginning and end of month balance each month, thus making % return simple to calculate. Adding or subtracting money from such an account complicates things considerably.