if 2

#include<stdio.h>

int main()
{
    double cons, taxa;

    scanf("%lf", &cons);

    if(cons<=30)
        taxa = cons*0.05427+cons*0.08360,
        printf("Consumo mensal de energia menor ou igual 30 kWh\nPreco a ser pago: R$%.2lf\n", taxa);

    else if(cons<=100)
        taxa = cons*0.09304 +cons*0.14332,
        printf("Consumo mensal de energia entre 31 e 100 kWh(inclusive)\nPreco a ser pago: R$%.2lf\n", taxa);

        else if(cons<=220)
            taxa = cons*0.13956+cons*0.21498,
            printf("Consumo mensal de energia entre 101 e 220 kWh(inclusive)\nPreco a ser pago: R$%.2lf\n", taxa);

            else
                taxa = cons*0.15506+cons*0.23887,
                printf("Consumo mensal de energia maior que 220 kWh(inclusive)\nPreco a ser pago: R$%.2lf\n", taxa);


    return 0;
}