03_08.c

#include <stdio.h>

int main() {
    int income = 0;
    double tax;
    const double tax_rate = 0.12;
    //const -> 값을 바꿀 수 없음.
    
    income = 456;
    tax = income*tax_rate; 
    printf("세금은 : %.1lf입니다.\n",tax);
    
    return 0;
}