See my response to your original post.

Greg

"amandooshna" wrote:

=IF(C7=10000,SUM(6000*10%)+(4000*15%)+((C7-10000)*20%),IF(C7<=10000,IF(B76000,SUM(6000*10%)+ ((C7-6000)*15%),IF(C7<=6000,SUM((C7-2000)*10%),IF(C7<=2000,0)))))

This above sum works, execpt for the last IF function. For some reason my
result always comes out with a negative, when it should be 0. Any
suggestions on why? Or what I should do to change?

Thanks!