Which combination is correct?

A) money multiplication process is theoretically unlimited, if r and c are 0

B) as a monetary aggregate, broad money includes bonds

C) the larger a monetary aggregate is, the less liquid are its additional components

D) M₄ does not include minimum required reserves

E) reserve requirements rate is the interest rate paid by Central Bank for commercial banks reserves

a. A+D

b. D+E

c. A+C

d. A+B

e. C+D