static void Main()
{
// creating 3 different accounts
Account acc1 = new Deposit(Custemer.Individual, 1234, 0.75m);
Account acc2 = new Loan(Custemer.Companie, 100052, 1.2m);
Account acc3 = new Mortgage(Custemer.Individual, 754, 0.98m);
acc1.PrintBalance();
acc1.CalcInterest(7);
acc1.PrintBalance();
acc1.Deposit(300);
//acc1.Draw- it is Account
Deposit acc4 = new Deposit(Custemer.Individual, 2222, 0.35m);
acc4.Draw(1111);
acc2.CalcInterest(7);
acc2.Deposit(555);
}