The desired reserve ratio is $10\%.$

A bond dealer purchases $$150,000$ worth of Canadian government securities$,$ electronically debiting the dealer's deposit account at Reliable Bank.

Which of the following correctly describes the immediate effect of this transaction on the money supply?

A$.$ The money supply decreases by $$150,000$

B$.$ The money supply decreases by $$135,000$

C$.$ The money supply decreases by $$1,500,000$

D$.$ There is no change in the money supply.

E$.$ None of the above.