Hi Kelly, maybe this -

=IF(AND(A2=0,B2=0),"",IF(B20,SUMPRODUCT(B2,C2),IF (AND(A20,B2=0),SUMPRODUCT(A2,C2),"")))

Assumes your Sub1, Sub2 and Rate1 are columns A,B and C respectively
and that your first line of data is on Row 2.

Put that formula in D2(or wherever) and copy it down.

Regards,
Muppet Man.

On Sep 25, 7:37*pm, lsgKelly
wrote:
I have to write a formula that accomplishes the following task:

I have a spreadsheet that has three columns. *The columns are "Subs1"
"Subs2" and "RATE1". Here's what I want it to do:

If Subs1 = 0 and Subs2 = 0, ""
If Subs2 0, sumproduct (subs2,rates1)
If Subs1 0 and Subs2 = 0, sumproduct(subs1,rates1)

I know this isn't all that difficult, but for some reason, it is not working
for me.

Thanks in advance!

Kelly