SQL - Show Quantity on last line of Item Group

Hi Experts,  consider this example

declare @t table
     ItemNumber varchar(8),
     EntryDate  date,
     Qty        int

insert into @t
values      ('abc',

select *
from   @t 

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Desired Output is as follows...

ABC               |100
DEF                |NULL
DEF                |NULL
DEF                |200
GHI                |NULL
GHI                |500

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Scott PletcherSenior DBACommented:
    case when t.EntryDate = t_max_EntryDate.EntryDate then t.Qty else null end as qty
from @t t
inner join (
    select ItemNumber, max(EntryDate) as EntryDate
    from @t
    group by ItemNumber
) as t_max_EntryDate ON
    t_max_EntryDate.ItemNumber = t.ItemNumber
order by t.ItemNumber, t.EntryDate

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FamousMortimerAuthor Commented:
I was hoping there was some other way than joining it to itself because it was a massive query but i used a cte to keep it a bit cleaner.

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Microsoft SQL Server

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