=IF($A10="","",INDEX(colD,MAX(IF((colG=$A10)*(colB =K$8),ROW(colI)-5))))

defined names for the block starting at row 6
--
Don Guillett
Microsoft MVP Excel
SalesAid Software

"Don Guillett" wrote in message
...
If desired, send your file to my address below. I will only look if:
1. You send a copy of this message on an inserted sheet
2. You give me the newsgroup and the subject line
3. You send a clear explanation of what you want
4. You send before/after examples and expected results.


--
Don Guillett
Microsoft MVP Excel
SalesAid Software

"Curtis" .(do not spam) wrote in message
...

In the source sheet
COL AB = recent cost
COL W = latest purchase date (format mm/dd/yyyy)
COL A = Part number

I need to identify the latest cost of each part number based on the
criteria
above. The price can change in the month so I need the most recent price
as
determined in Column W

thanks
--
ce