How do you simulate comissions when testing out you EA?

 
As the topic states. How am I to do that?
 

What do you mean by "simulate commissions"?

Commissions will be included in the balance calculations.

 
Keith Watford:

What do you mean by "simulate commissions"?

Commissions will be included in the balance calculations.


when I am running EA's in the strategy tester, on my demo-account at least, it doesnt account for broker's comussions, so the results can be rather misleading. I'd like to factor them im somehow when I am testing in strategy tester
Reason: