//********************************
//**         savings.cpp        **
//********************************
#include <iostream.h>
#include "account.h"
#include "savings.h" 
float Savings::minbalance=500.0;		//設置透支范圍
Savings::Savings(unsigned accNo,float balan):Account(accNo,balan){}
void Savings::Withdrawal(float amount)
{
  	float temp=amount;
  	if(balance+minbalance<amount)
   		cout<<"Insufficient funds:balance "<<balance
      		<<",withdrawal"<<temp<<endl;
  	else 
		balance-=amount;
}