public DepositAccount(Costumer holder, decimal balance, double interestRate)
: base(holder, balance, interestRate)
{
}
public MortgageAccount(Costumer holder, decimal balance, double interestRate)
: base(holder, balance, interestRate)
{
}
public Account(Costumer holder, decimal balance, double interestRate)
{
this.Holder = holder;
this.Balance = balance;
this.InterestRate = interestRate;
}