//
// ---->  REMEMBER THIS IS ONLY A HINT             <-----------
// ---->  YOU MAY NEED MORE METHODS AND VARIABLE   <-----------
//


// A director's assessment is calculated differently.
// the formula used here for calculating performance is hypothetical





class Director extends Manager {
	

   	void calPerformance(){

	// calculate performance index as follows:

		(net profit earned)
			divided by
		(no. of projects supervised ) 
   	}

}