I'm not sure if I am doing this correctly please help. Please show the formulas and any calculations that you do I'm really confused. Thank you so much I really appreciate it!

The economy of Wonderland contains 4,000 $1 bills. What is the quantity of money (Money Supply) in each of the following scenarios? Explain your answer. A. If people hold all that money as currency. B. If people hold all money as demand deposits, and banks maintain 100 percent reserves. C. If people hold equal amounts of currency and demand deposits and banks maintain 100 percent reserves. D. If people hold all money as demand deposits and banks maintain a reserve ratio of 10%. E. If people hold equal amount of currency and demand deposits and banks maintain a reserve ratio of 10%