Crossword Genius

Accountant has added a charge on a whim (7)

Ross

I believe the answer is:

caprice

'whim' is the definition.
(I know that whim can be written as caprice)

'accountant has added a charge' is the wordplay.
'accountant' becomes 'CA' (abbreviation for chartered accountant).
'has added' is a charade indicator (letters next to each other).
'a charge' becomes 'price' (I've seen this in another clue).
'ca'+'price'='CAPRICE'

'on a' acts as a link.

(Other definitions for caprice that I've seen before include "unaccountable change" , "Sudden mood change" , "Sudden whim" , "Whimsy" , "Sudden change of mind" .)

I've seen this clue in The Globe and Mail.
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