In a sterilized intervention to cause an appreciation of a the C$, the Federal Reserve

Group of answer choices

Uses C$ from a reserve, buys the $, and then issues U.S. treasuries or bonds.

Uses $ to buy C$ and then repurchases U.S. treasuries or bonds

Uses C$ from a reserve, buys the $, and then repurchases U.S. treasuries or bonds.

Uses $ to buy C$ and then sells U.S. treasuries or bonds.