Randy Pays $120 for a Bag of Goods He Purchases

Randy pays $120 for a bag of goods he purchases at the HyValu discount store. Which of the following accurately identifies the types of the variables involved?

A) The $120 is a real variable; the bag of groceries is a nominal variable.
B) The $120 is a nominal variable; the bag of groceries is a real variable.
C) Both the $120 and the bag of groceries are nominal variables.
D) Both the $120 and the bag of groceries are real variables.