Money serves as a Medium of exchange Store of value c. Unit of account d. All of the above 2. A store of value is something that is used a as a means of payment today. to engage in economic activity in the future. C. to measure and record economic shocks. only in barter exchanges. 3. Liquidity refers to money's use a. As a unit of account In barter exchanges As a means of payment As a store of value Which of the following assets is the most liquid? Transaction deposits b. Savings deposits (including MMDAs) C . Small-denomination time deposits Retail money market fund shares Currency is included in M1 only b. M2 only C. M1 and M2 only Retail money market fund shares