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

The property 'has calculated market value' applies to instances of 'option', and 'exotic option' is a subclass of 'option'. Which class can appear as the value of 'has calculated market value' for instances of 'exotic option'?

A. standardized options terms
B. option premium
C. butterfly
D. derivatives clearing organization

Answer: option premium