Based on the use cases above, do the follows so that a customer can open a checking account and/or a savings account. 1. Study the provided program examples. 2. Develop your signIn() method in class Account to implement the Login use case. It is a continuation from the given examples of signing up. OpenBankAccountBO. java is given. 3. Create tables CheckingAccount(CheckingAccountNumb er, CustomerName, Balance, CustomerID), SavingsAccount(SavingsAccountNumber , CustomerName, Balance, InterestRate, CustomerID), Transactions(TransactionNumber, TransactionAmount, TransactionType, TransactionTime, TransactionDate, FromAccount, ToAccount, CustomerID). Use varchar(50) for any non-numerical value including AccountNumber and TransactionNumber, and float for any numerical value. CustomerID here means Username. 4. Study entity class CheckingAccount. java, and then develop your entity classes SavingsAccount. java, and Transactions. java that has a method for creating a unique TransactionNumber and a method for recording a transaction as well. Have the entity classes packaged in your package. 5. Add necessary statements to OpenBankAccountControl. java to open both Checking and Savings accounts, and record the transactions of opening deposits.