Answer:
A.) Medium of exchange - Here money is used for doing transaction and therefore, this example is under the medium of exchange.
B.) Store of value - Here, a person store or deposits his money into a bank and therefore, this shows the store of value characteristic of money.
C.) Medium of exchange - Here, one of my friend utilize money for helping me mowing lawns which shows that money is used as a medium of exchange.
D.) Unit of account - The unit of account characteristic of money is reflected here because a person easily calculated his net earnings for the year on the tax return in terms of money.
E.) Unit of account - The unit of account characteristic of money is reflected here because a person easily calculated his new lawn mower value.