static void Main(string[] args)
{
var chk1 = new Checking();
chk1.Deposit(150);
chk1.Withdraw(10);
chk1.WriteCheck("Cash", 10, 101);
chk1.WriteCheck("Apple", 2);
var sav1 = new Savings();
sav1.InterestRate(0.12);
sav1.Deposit(100);
sav1.CalculateAndDepositInterest(300);
Console.WriteLine($"Balance is {sav1.GetBalance()}");
Console.WriteLine($"Routing number is {Account.GetRoutingNumber()}");
var acct1 = new Account();
acct1.Deposit(100000);
acct1.Withdraw(60000);
acct1.Withdraw(50000);
acct1.Deposit(-20000);
acct1.Withdraw(-10000);
var acct2 = new Account();
acct1.Transfer(acct2, 1000);
acct1.Transfer(acct2, 40000);
acct1.Transfer(acct2, 5000);
Account.AddAccount(acct1);
Account.AddAccount(acct2);
Account.AddAccount(sav1);
Account.ListAccounts();
sav1.Withdraw(278);
Account.ListAccounts();
}