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

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

A. funds tax
B. sigma value of holdings
C. fee payable
D. swing price

Answer: fee payable