Imagine that you deposit $25,000 in currency (which you had been storing in your closet), into your checking account at the bank. Assume that this institution has a required reserve ratio of 25%.

As a result of this deposit, what is the theoretical maximum amount in loans that can be made by all the banks (combined) in the commercial banking system?

a. $75,000
b. $18,750
c. $25,000
d. $100,000
e. $0