6). In 2010, Tara used $50,000.00 from funds she had invested in certificates of deposit as a down payment to buy a house. What function did this portion of her investments serve when she made the down payment?A. store of value. B. unit of account. C. unit of exchange. D. medium of exchange.7). If the central bank decreases the amount of reserves banks are required to hold from 20% to10%, then : 8). If Evelyn uses her debit card to buy an iPod, then the money to pay retailer will come from :9). If GDP is 3600 and the money supply is 300, what is the velocity?