A: I would like to open an account today. B: What kind? A: I want to open a checking account. B: You need to keep a minimum balance. A: How much is it? B: You need at least $100 in your account. A: Is that all? B: Yes. That's the minimum. A: What happens if I don't meet that requirement? B: You will get a fine. A: How much? B: It's going to be $25.