Answer:
B. medium of exchange.
Step-by-step explanation:
Money as a medium of exchange is used to facilitate the selling and purchasing of goods and services between parties. Money is widely accepted as a standard of value by parties engaged in the exchange of commodities. It means that one party readily accepts an amount of money in exchange for a product or service that is believed to be worth the amount on offer.
Tara is exchanging her $50,000 for the house. Although the money is only a down-payment, it gives her the right to claim ownership of the house. Once she has fully paid for the house using money, she can only lay a claim on the house, not the money.