Winnie withdraws HK$500 000 from her savings account with a licensed bank. She puts half of it into her current account and deposits the other half at a deposit-taking company. Which of the following shows the immediate effects on the money supply of Hong Kong?
A. M1 increases and M2 decreases.
B. M1 increases and M3 decreases.
C. Both M1 and M2 decrease.
D. Both M2 and M3 decrease.