Write a C++ program that reads and processes student file homework.dat . Each re

Question

Write a C++ program that reads and processes student filehomework.dat. Each record (line) of thefile contains a student number (nine digits) followed by five testscores, each valued from 0 to 100, inclusive. One record exists foreach student.

Your program is to read the input file and produce a gradereport written to an output file (you choose its location andname). The report shall display a line for each student, and eachline shall contain the student number, the average score of thefive separate scores, and a letter grade based on the averagescore. The instructor uses the following scale to determine aletter grade.

A         92 andabove

B         84 to 91

C         73 to 83

D         64 to 72

F          Below64

Display at the bottom of the report the total number of studentsearning an A grade, the total number of students earning a B grade,and so on for grades C, D, and F.

Use a separate function to determine a student’s lettergrade.

Explanation / Answer

please rate - thanks #include #include using namespace std; char getgrade(double); int main() {int number,g1,g2,g3,g4,g5,a=0,b=0,c=0,d=0,f=0; double average; char grade; ifstream in; ofstream out; in.open("homework.dat");        if(in.fail())               { coutnumber; while(in) { in>>g1>>g2>>g3>>g4>>g5; average=(g1+g2+g3+g4+g5)/5.; grade=getgrade(average); if(grade=='A')      a++; else if(grade=='B')      b++; else if(grade=='C')      c++; else if(grade=='D')      d++; else      f++; out

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