f you transfer $1,000 from your savings account to your checking account:

A.M1 and M2 don't change.

B.M1 decreases by $1,000, and M2 doesn't change.

C.M1 increases by $1,000, but M2 doesn't change.

D.M1 increases by $1,000, and M2 decreases by $1,000.