Calculate Simple Interest in C Program

Calculate Simple Interest in C Program

#include<stdio.h>
int main()
{
 float pa,ir,ti,interest;
  printf("Type your principle amount : ");
  scanf("%f",&pa);
  printf("\n Type your rate of intrest : ");
  scanf("%f",&ir);
  printf("\n Type time (in year) : ");
  scanf("%f",&ti);
  interest=p*ir*t/100;
  printf("\n You will get interest : %.2f",interest);
 return 0;
}