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

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

A. default rate
B. equivalent yield calculation method
C. native yield calculation method
D. exchange traded bond price

Answer: default rate