Use inheritance to manage the definition of common/individual properties and methods Task: Given class Graded Activity: < public class Graded Activity { < W private double score; // Numeric score public void setScore (double s) { } < score = s; public double getScore() { } return score; < public char getGrade() { char letterGrade; if (score >= 90) letterGrade = 'A'; else if (score >= 80) < letterGrade = 'B' else if (score >= 70) letterGrade = 'c'; else if (score >= 60) < letterGrade = 'D'; else < letterGrade 'F'; return letterGrade; < Je 1. } < Design a Final Exam class that extends the GradedActivity class. The Final Exam class should determine the grade a student receives for an exam.