public static void Main(string[] args) { Customer pavel = new IndividualCustomer("Pavel Ilchev", 12345); Customer natali = new IndividualCustomer("Natalka Nikolova", 12346); Customer nevi = new IndividualCustomer("Nevi Todorova", 12349); Customer firmata = new CompanieCustomer("Firmata", 12347); Customer sandbox = new CompanieCustomer("Sandbox", 12348); Customer capela = new CompanieCustomer("Capela", 12350); Account one = new DepositAccount(pavel, 5000m, 0.35m); Account two = new DepositAccount(firmata, 55000m, 0.72m); Account tree = new LoanAccount(natali, 4500m, 0.36m); Account four = new LoanAccount(sandbox, 45000m, 1.7m); Account five = new MortgageAccount(nevi, 1200m, 0.2m); Account six = new MortgageAccount(capela, 12000m, 1.7m); IAccount[] accounts = { one, two, tree, four, five, six }; foreach (var account in accounts) { account.Deposit(270); } foreach (var account in accounts) { Console.WriteLine(account); Console.WriteLine("Interested rate for 15 months " + account.CalculateInterest(15)); } Console.ReadKey(); }