import java.util.*;
import java.awt.*;

//
// Monthly account - superclass of all accounts with monthly payment
//		     of interest
//
abstract class MonthlyAccount extends Account
{
   MonthlyAccount(String accountname, double accountinterest, TextArea out) throws NoNameException
	{ super(accountname,accountinterest,out); }

   // for subclasses of MonthlyAccount the interest is only computed
   // on the 1st of the month
   void ComputeInterest()
        { double interestPay;
	  
	  if(date==1)
	   { // monthly payments are made only on the 1st of the month

	     interestPay=Math.abs(balance)*interest/100/12;
	     if(balance<0)  // ie. if the account is overdrawn
	    	balance-=interestPay;
	     else
	    	balance+=interestPay;
	   }
	}
}