Multiple functions in SQL select statement

For some reason, this really has me stumped.  I'm trying to retrieve the max transaction id from the inventory_transaction table, but also need to sum up some costs.  As soon as I start adding any of the costs, no matter how I do it, the max(inventory_trans) fails and I get a record for each different cost.

Example - this works:

this one works
This doesn't:  I get 151 records, rather than the max:

Also doesn't work:

also not
Any help appreciated!
Tina KSystems SpecialistAsked:
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Scott PletcherSenior DBACommented:
SELECT part_id, MAX(...), SUM(ACT_BURDEN_COST + ...) AS act_cost
FROM ...
GROUP BY part_id
Tina KSystems SpecialistAuthor Commented:
Hi Scott -
Gave that a try and get the same result of multiple records:

Scott PletcherSenior DBACommented:
No, you kept GROUPing by all the columns.  GROUP only on part_id (see the last query I posted).  If you need workorder_base_id too, then you will have multiple rows by definition because you have multiple workorders.

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Tina KSystems SpecialistAuthor Commented:
That did the trick Scott!  Thanks so much!
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Microsoft SQL Server

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