// File: checkingAccount.h
// header file for the checkingAccount class
#include "account.h"
class checkingAccount : public account  // inherits from account class
{
protected:
   double limit;      // lower limit for free checking
   double charge;     // per-check charge for low balance
public:
   checkingAccount(double bal, double lim, double chg);
   double cashCheck(double amt);
};