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

The property 'is aggregate of' applies to instances of 'debt pool statistical measure', and 'price value of basis point' is a subclass of 'debt pool statistical measure'. Which class can appear as the value of 'is aggregate of' for instances of 'price value of basis point'?

A. japanese simple yield calculation method
B. russian yield calculation method
C. pool paydown rate
D. debt pool statistical measure

Answer: debt pool statistical measure