Total Quantity per some creteria

Hi All,
Pls see attached relevent file.
i would like to get the Total Qty as described in column D per name and per relevence and will repeat only once.
I had tried counif formula. however, i guess I'm missing something.
I'll appricaite your help,
Thanks

Your post does not comply with Rule 1 of our Forum RULES. Your post title should accurately and concisely describe your problem, not your anticipated solution.

Use terms appropriate to a Google search. Poor thread titles, like Please Help, Urgent, Need Help, Formula Problem, Code Problem, and Need Advice will be addressed according to the OP's experience in the forum: If you have less than 10 posts, expect (and respond to) a request to change your thread title. If you have 10 or more posts, expect your post to be locked, so you can start a new thread with an appropriate title.

To change a Title go to your first post, click EDIT then Go Advanced and change your title, if 2 days have passed ask a moderator to do it for you.

(This thread should receive no further responses until this moderation request is fulfilled, as per Forum Rule 7)

Try

D2

Formula:

=IF(COUNTIFS($A$2:A2,A2,$B$2:B2,B2)=1,SUMIFS($C$2:$C$24,$A$2:$A$24,A2,$B$2:$B$24,B2),"")

Drag down