class CheckingAccount extends Account
{
   private double checkCharge;
   
   public CheckingAccount(int idNum, double startBal,double chkCharge)
   {
     super(idNum,startBal);
     checkCharge=chkCharge;
   }
   
   public void clearCheck(double amount)
   {
     decreaseBalance(amount+checkCharge);
     
   }
   
   public double monthlyInterest()
   {
   
     return (currentBalance()*(.02/12.0));//set 2% interest rate
       
   }
   
   public String toString()
   {
   	 return "checkcharge "+checkCharge+super.toString();
   }
   


}