text: // Exercise 12.10 Solution: SavingsAccount.h
  // Definition of SavingsAccount class.
  #ifndef SAVINGS_H
  #define SAVINGS_H
  
  #include "Account.h" // Account class definition
  
  class SavingsAccount : public Account
  {
  public:
     // constructor initializes balance and interest rate
     SavingsAccount( double, double );
  
     double calculateInterest(); // determine interest owed
  private:
     double interestRate; // interest rate (percentage) earned by account
  }; // end class SavingsAccount
  
  #endif
  
  /**************************************************************************
   * (C) Copyright 1992-2008 by Deitel & Associates, Inc. and               *
   * Pearson Education, Inc. All Rights Reserved.                           *
   *                                                                        *
   * DISCLAIMER: The authors and publisher of this book have used their     *
   * best efforts in preparing the book. These efforts include the          *
   * development, research, and testing of the theories and programs        *
   * to determine their effectiveness. The authors and publisher make       *
   * no warranty of any kind, expressed or implied, with regard to these    *
   * programs or to the documentation contained in these books. The authors *
   * and publisher shall not be liable in any event for incidental or       *
   * consequential damages in connection with, or arising out of, the       *
   * furnishing, performance, or use of these programs.                     *
   **************************************************************************/
  