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

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

A. credit spread
B. duration analytic
C. prepayment speed
D. pool factor

Answer: pool factor