public MortgageAccount(Customer customer, decimal balance, decimal interestRate)
: base(customer, balance, interestRate)
{
}
public DepositAccount(Customer customer, decimal balance, decimal interestRate)
: base(customer, balance, interestRate)
{
}
protected Account(Customer owner, decimal balance, decimal interestRate)
{
this.Owner = owner;
this.Balance = balance;
this.InterestRate = interestRate;
}