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

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

A. prepayment speed
B. equivalent yield calculation method
C. pool factor
D. price value of basis point

Answer: pool factor