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

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

A. default rate
B. exchange traded bond price
C. duration analytic
D. debt securities market maker

Answer: default rate