Accounting category for rigged prices (5,5)
I believe the answer is:
fixed costs
'accounting category for rigged prices' is the definition.
I can't tell whether this defines the answer.
'rigged prices' is the wordplay.
'rigged' becomes 'fixed' (I can't justify this - if you can you should believe this answer much more).
'prices' becomes 'costs' ('cost' can be a synonym of 'price').
'fixed'+'costs'='FIXED COSTS'
Can you help me to learn more?
(Other definitions for fixed costs that I've seen before include "Overheads not affected by volume of business" , "Overheads such as rent and rates" .)