인프런 커뮤니티 질문&답변

Tax가 0이 떠요.....입력 값을 2천만으로 잡으면 Tax가 잡히긴 해요 근데 큰 수는 자꾸 0이 떠요

#define CRTSECURE_NO_WARNINGS

#include <stdio.h>

// assessment stadard tax base

#define BASE1 12000000.0

#define BASE2 46000000.0

#define BASE3 88000000.0

#define BASE4 150000000.0

#define BASE5 300000000.0

#define BASE6 500000000.0

// percent to rate

#define RATE1 (6.0 / 100.0)

#define RATE2 (15.0 / 100.0)

#define RATE3 (24.0 / 100.0)

#define RATE4 (38.0 / 100.0)

#define RATE5 (40.0 / 100.0)

#define RATE6 (42.0 / 100.0)

// 기본공제

#define BASIC_DEDUCTION 1500000.0

int main()

{

double income = 0.0;

double tax = 0.0;

scanf("%lf", &income);

income -= BASIC_DEDUCTION;

if (income <= BASE1)

tax = income * RATE1;

else if (income <= BASE2)

tax = BASE1 RATE1 + (income - BASE1) RATE2;

printf("Tax is = %f\n", tax);

printf("Your income after tax deduction = %f", income - tax);

return 0;

}