Suppose the public holds 30% of their money as currency and the rest as deposits in their banks. Moreover, the central bank requires banks to maintain a reserve-deposit ratio of 15%. What will be the change in the total money supply if the central bank buys $10 million of government bonds from the public and pays for them by creating money (round to the nearest decimal point)?

a. The money supply will decrease by $51.3 million

b. The money supply will increase by $51.3 million

c. The money supply will increase by $24.7 million

d. The money supply will increase by $66.7 million

e. All of the answers here are incorrect