Design an Essay class that is derived from the GradedActivity class:class GradedActivity{private:double score;public:GradedActivity(){score = 0.0;}GradedActivity(double s){score = s;}void setScore(double s){score = s;}double getScore() const{return score;}char getLetterGrade() const;};char GradedActivity::getLetterGrade() const{char letterGrade;if (score > 89) {letterGrade = 'A';} else if (score > 79) {letterGrade = 'B';} else if (score > 69) {letterGrade = 'C';} else if (score > 59) {letterGrade = 'D';} else {letterGrade = 'F';}return letterGrade;}The Essay class should determine the grade a student receives on an essay. The student's essay score can be up to 100, and is made up of four parts: Grammar: up to 30 points Spelling: up to 20 points Correct length: up to 20 points Content: up to 30 points The Essay class should have a double member variable for each of these sections, as well as a mutator that sets the values of these variables. It should add all of these values to get the student's total score on an Essay.Demonstrate your class in a program that prompts the user to input points received for grammar, spelling, length, and content, and then prints the numeric and letter grade received by the student.
Design an Essay class that is derived from the GradedActivity class:
class GradedActivity{
private:
double score;
public:
GradedActivity()
{score = 0.0;}
GradedActivity(double s)
{score = s;}
void setScore(double s)
{score = s;}
double getScore() const
{return score;}
char getLetterGrade() const;
};
char GradedActivity::getLetterGrade() const{
char letterGrade;
if (score > 89) {
letterGrade = 'A';
} else if (score > 79) {
letterGrade = 'B';
} else if (score > 69) {
letterGrade = 'C';
} else if (score > 59) {
letterGrade = 'D';
} else {
letterGrade = 'F';
}
return letterGrade;
}
The Essay class should determine the grade a student receives on an essay. The student's essay score can be up to 100, and is made up of four parts:
- Grammar: up to 30 points
- Spelling: up to 20 points
- Correct length: up to 20 points
- Content: up to 30 points
The Essay class should have a double member variable for each of these sections, as well as a mutator that sets the values of these variables. It should add all of these values to get the student's total score on an Essay.
Demonstrate your class in a program that prompts the user to input points received for grammar, spelling, length, and content, and then prints the numeric and letter grade received by the student.
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