Charles 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. Identify what role money plays in each of the following parts of the story.

a. Van writes a check for $4,000.
b. Van can easily determine that the price Of the Super is more than the price of the Duper.
c. Van has saved $4,000 in his checking account.