Hi,
Try this
=sumif($A$1:$A$5,C1,$B$1:$B$5)-D1
Now copy this down
--
Regards,
Ashish Mathur
Microsoft Excel MVP
www.ashishmathur.com
"Eightball" <(E-Mail Removed)> wrote in message
news:9CB84BD2-E6F5-48E2-B14B-(E-Mail Removed)...
> Using Excel 2003.
>
> I have two columns for each month in a spreadsheet. Column A is the item
> code and column B is the cost/item for last month. i then have in column
> C,
> item codes and in column D cost/items for this month. Columns A and C do
> not
> match entirely, because the same items may not have been touched each
> month.
> Each may contain unique items, but some are common. I need to do the
> follwing:
>
> In column E, I need each row to look at what is in column C, see if it is
> also in column A, and then show the decrease/increase of cost/item
> (difference between columns B and D).
>
> MARCH APRIL CHANGE IN COST
> A B C D E
> A134 $1 A043 $2 (SHOW NOTHING OR $0)
> A558 $3 A134 $2 (SHOW +$1)
> A6563 $2 A6563 $2 (SHOW $0)
> A779 $2 A694 $4 (SHOW NOTHING OR $0)
> A965 $8 A779 $1 (SHOW -$1)
>
> I hope someone can help -- is making me crazy!