=SUM((RIGHT(C6:C9,1)="1")*D6:D9)

Try this:

=SUM(IF(RIGHT(C6:C9,1)="1",D6:D9,0))

This is an array formula and should be entered with CTRL-SHIFT-ENTER instead
of just Enter. If done properly, the formula should be surrounded by { }

Or, another option:

=SUMPRODUCT(--(RIGHT(C6:C9,1)="1",(D6:D9))

HTH,
Elkar


"Ted Metro" wrote:




=SUM((RIGHT(C6:C9,1)="1")*D6:D9)