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

The property 'transaction embodies economic agreement' applies to instances of 'economic transaction', and 'contractual transaction' is a subclass of 'economic transaction'. Which class can appear as the value of 'transaction embodies economic agreement' for instances of 'contractual transaction'?

A. revaluation
B. economic agreement
C. discharging event
D. r e a claim

Answer: economic agreement