// piece1.h // PieceWorker class derived from Employee #ifndef PIECE1_H #define PIECE1_H #include "employ2.h" class PieceWorker : public Employee { public: PieceWorker( const char *, const char *, double = 0.0, int = 0); void setWage( double ); void setQuantity( int ); virtual double earnings() const; virtual void print() const; private: double wagePerPiece; // wage for each piece output int quantity; // output for week }; #endif