Answer:
Written in C
#include <stdio.h>
int main() {
float salary;
printf("Salary: ");
scanf("%f", &salary);
float HRA, DA;
if(salary <= 10000){
HRA = 0.20; DA = 0.80;
}
else if(salary >= 10000 && salary <= 20000){
HRA = 0.25; DA = 0.90;
}
else{
HRA = 0.30; DA = 0.95;
}
salary = salary + salary * HRA + salary * DA;
printf("Gross Salary: %.2f\n", salary);
return 0;
}
Explanation:
I've added the full program as an attachment where I used comments as explanation