Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'contract IY7VKEUR45886' belong to as one valid explicit type? Context: contract IY7VKEUR45886 that is a fixed/float, single currency interest rate swap

A. zero coupon interest rate swap
B. currency instrument
C. fixed float single currency interest rate swap
D. spot contract

Answer: fixed float single currency interest rate swap