1. Key Concept: Money Supply Definitions Suppose you transfer $1,000 from your checking account to your savings account. How does this action affect the M1 and M2 money supplies?

a. M1 and M2 are both unchanged.

b. M1 falls by $1,000, and M2 rises by $1,000.

c. M1 is unchanged, and M2 rises by $1,000.

d. M1 falls by $1,000, and M2 is unchanged.