Task: Property Constraint Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

The property 'incurs fees' applies to instances of 'fund unit', and 'non-tradable fund unit' is a subclass of 'fund unit'. Which class can appear as the value of 'incurs fees' for instances of 'non-tradable fund unit'?

A. fee payable
B. accrued taxes
C. accrued income
D. sigma value of holdings

Answer: fee payable