Area needing new leader to make a profit (5)

I believe the answer is:

yield

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'a profit' is the definition.
(thesaurus)

I cannot understand how the rest of the clue works.

(Other definitions for yield that I've seen before include "Amount of product" , "Produce, generate" , "Surrende, give in" , "Supply" , "Relinquish" .)

I've seen this clue in The Times.

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