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

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

A. default rate
B. o t c bond market price
C. debt securities market maker
D. exchange traded bond price

Answer: default rate