Untitled

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int wbp,ebp,hrp;
    int wbn,ebn,hrn;
    int totalb,totalp;
    char perc[] = "%";

    printf("Water Consumption a Month 0-100%: ");
    scanf("%i", &wbp);
    printf("Electric Consumption a Month 0-100%: ");
    scanf("%i", &ebp);
    printf("House Rent 1500-10000: ");
    scanf("%i", &hrn);

    system("cls");

    if (wbp >= 1 && wbp <=100 && ebp >=1 && ebp <=100 && hrn >= 1500 && hrn <= 10000){
        if(wbp >= 1 && wbp <=100){
            wbn = pow(wbp,2)/2;
            printf("%Water Bill = %iphp or %i%s\n", wbn,wbp,perc);
        } if (ebp >= 1 && ebp <= 100){
            ebn = pow(ebp,2)/1.25;
            printf("Electric Bill = %iphp or %i%s\n", ebn,ebp,perc);
        } if (hrn >= 1500 && hrn <= 10000){
            hrp = hrn/100;
            printf("House Rent = %iphp or %i%s\n", hrn, hrp, perc);
        }
        totalb = wbn+ebn+hrn;
        totalp = (wbp+ebp+hrp)/3;
        printf("Total Amount of Bills = %i", totalb);
        printf("Total Percentage of Bills = %i", totalp);
    } else if (wbp <= 0 || wbp > 100 || ebp <= 0 || ebp >100 || hrn < 1500 || hrn > 10000){
        printf("Error!");
    }


  return 0;
}