static void Main(string[] args) { var savingsAccount = new SavingsAccount(owner: "Joe Decker", balance: 200); savingsAccount.ShowAccountDetails(); savingsAccount.Withdraw(20); savingsAccount.CheckRemainingBalance(); savingsAccount.Deposit(100); savingsAccount.CheckRemainingBalance(); var loanAccount = new LoanAccount(owner: "John Wright", balance: -1200); loanAccount.ShowAccountDetails(); loanAccount.Deposit(200); loanAccount.CheckRemainingBalance(); var investmentAccount = new InvestmentAccount(owner: "Mike Schwartz", balance: 10000); investmentAccount.ShowAccountDetails(); investmentAccount.Withdraw(2000); investmentAccount.CheckRemainingBalance(); investmentAccount.Deposit(1200); investmentAccount.CheckRemainingBalance(); }