According to Merrill Lynch, which of the following are advantages of Bitcoins as a medium of exchange? (pp. 3-4) 1. They have low transactions costs because no fees have to be paid to a third party for authenticating the payment. 2. They can be used for electronic payments by people who don't have a credit or debit card. 3. They are hard to steal from people who don't use intermediaries because they are stored in encrypted form on the owner's computer. A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2, and 3