Financial gain (6)
'financial gain' is the definition.
(income is a kind of financial gain)
This is all the clue.
(Other definitions for income that I've seen before include "Remunerations, takings" , "Pay earned" , "Money earned" , "Money received on which tax is payable" , "Wage" .)
'financial gain' is the definition.
(profit is a kind of financial gain)
This is all the clue.
(Other definitions for profit that I've seen before include "It's gained on a transaction" , "returns" , "Financial gain" , "Gain, return on investment" , "Yield - gain" .)