I am writing a code to turn a numerically entered grade into a letter grade however am running into issues with getting it to work. Is there something that I seem to be doing wrong on my included code?#include int main(void){char calculateLetterGrade(int);printf(“Enter a number grade for the course:”)if (numgrade >= 90 && numgrade <= 100){outputgrade='A' ;}else=”” if=”” (numgrade=””>= 80 && numgrade <= 89){outputgrade='B' ;}else=”” if=”” (numgrade=””>= 70 && numgrade <= 79){outputgrade='C' ;}else=”” if=”” (numgrade=””>= 65 && numgrade <= 69){outputgrade='D' ;}else{outputgrade='F' ;}lettergrade=”calculateLetterGrade(numerical_grade);printf(“The” letter=”” grade=”” for=”” %d=”” is=”” %cn”,=”” numerical_grade,=””>