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

The property 'has default rate' applies to instances of 'debt pool', and 'loan pool' is a subclass of 'debt pool'. Which class can appear as the value of 'has default rate' for instances of 'loan pool'?

A. debt securities market maker
B. pool factor
C. default rate
D. prepayment speed

Answer: default rate