please provide the answer as soon as possible.

PART B (INDEPENDENT THINKING, REAL-WORLD APPLICATIONS AND REFLECTION) (KEY QUESTION) The Biggish Business Bank (BBB) is the only bank in the country and its T-account is: a. What is BBB's reserve ratio, and the implied money multiplier? b. Describe how the process of money multiplication work (starting from the central bank and through the commercial bank's actions). How is money supply in the economy is affected (use your answer in the previous part to give a quantitative answer). Now suppose a foreign depositor withdraws $5 from his BBB account and transfers the funds to her overseas account. (please note that the effects are exactly the opposite of what would occur if $5 was deposited instead of withdraw). c. What happens to BBB's reserve ratio? d. Assuming that BBB wants to keep its original reserve ratio, what main options does it have? (OPTIONAL ADDITIONAL QUESTION: it is somewhat challenging so you can just think about it and try to share your thinking, but if you are struggling do not worry, you will not be penalized) How is the money supply affected for each option you discussed in the previous