solve all of it with explanation please

[ Consider a joint bank account that allows two functions: deposit(amount) withdraw(amount). These two functions are passed the amount that is to be deposited or withdrawn from the bank account balance. Assume that bank account has two holders: A and B. Concurrently, A calls the withdraw() function, and B calls deposit(). Describe how a race condition is possible and what might be done to prevent the race condition from occurring