1. the roles of money antonio just graduated from college and is now in the market for a new car. he has saved up $4,000 for a down payment. he's deciding between a super and a duper. the super is priced at $23,599, and the duper is priced at $18,999. after agonizing over the decision, he decides to buy the duper. he writes the dealership a check for $4,000 and takes out a loan for the remainder of the purchase price.

Explanation:

Antonio used the value of money as a unit of account to compare the value of the two cars namely Super and Duper and come to the conclusion that Duper was cheaper to Super

Antonio saved $ 4000 in his checking account  which he gave to the seller. This represent money's role as a store of value

Antonio write a check of the money he saved to the seller and the seller accepted it and gave him the car which fulfill the role of money as a medium of exchange.