na Wrote:
In the first sumproduct Column G has the following:
=E40*(VLOOKUP(F40,Airfare,2,FALSE))

in the second sum product columan N has:
=VLOOKUP(M2,Airfare,3,False)...

If Airfare is sorted on its first column, use the faster:

=E40*IF(VLOOKUP(F40,Airfare,1,1)=F40,VLOOKUP(F40,A irfare,2,1),0)

Otherwise, you have to resort to costly...

=E40*IF(ISNA(VLOOKUP(F40,Airfare,2,FALSE)),0,VLOOK UP(F40,Airfare,2,FALSE))


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Aladin Akyurek
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