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

The property 'incurs fees' applies to instances of 'investor', and 'contractual savings institution' is a subclass of 'investor'. Which class can appear as the value of 'incurs fees' for instances of 'contractual savings institution'?

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

Answer: fee payable