Mr. Bubba took a spring break trip with kids and parents to Dubai in the United Arab Emirates. The money they use there is UAE Dirham. The kids were surprised to learn that a coke out of the machine cost 4 Dirham and a McDonald's Big Mac meal cost 25 Dirham. They were worried that they would run out of money because everything was so expensive. However, Joe Bob pulled out a sheet of paper Mr. Bubba had given him that said $1 = 3.75 Dirham. The kids were relieved that things were not that expensive. What economic term is this an example of and made the kids feel better about their money? A.
Exchange Rate

B.
Supply

C.
Demand

D.
Currency