Those paid for cereals, on the quiet? (6)
I believe the answer is:
prices
'those paid' is the definition.
I can't judge whether this definition defines the answer.
'cereals on the quiet?' is the wordplay.
'cereals' becomes 'rices' (rice is a kind of cereal).
'on' is a charade indicator (letters next to each other).
'the quiet?' becomes 'p' (music symbol for 'piano', ie soft or quiet).
'rices' put after 'p' is 'PRICES'.
'for' acts as a link.
Can you help me to learn more?
(Other definitions for prices that I've seen before include "Costs" , "Monetary values" , "Determines the cost (of)" .)