// // ----> THIS IS ONLY A HINT <----------- // ----> YOU MAY NEED MORE METHODS AND VARIABLE <----------- // // A manager's performance is assessed by the no. of projects he has supervised, // net profit earned from those projects, and // no. of man-month he has supervised // the formula used here for calculating performance is hypothetical class Manager extends Employee { // declare variables for no. of projects supervised no. of man-month supervised Net profit earned in Million dollars void calPerformance(){ // calculate performance index as follows: (no. of projects supervised) multiplied by (net profit earned per man-month supervised) } }