#include <stdio.h>
#include <conio.h>

int main()
{
	float thunhap, thunhaptinhthue, thue;
	printf("\t Tong thu nhap trong 1 thang = ");
	scanf("%f",&thunhap);
		
	if (thunhap<9000000)
		printf("\t Thu nhap duoi 9 trieu dong ==> khong phai dong thue thu nhap!");
	else
		{
		thunhaptinhthue = thunhap - 9000000;
		if (thunhaptinhthue<5000000)
			{
			thue = thunhaptinhthue*0.05;
			printf("\t Thu nhap tinh thue duoi 5 trieu dong ==> Thue thu nhap phai dong = %.2f dong",thue);
			}
		if ((thunhaptinhthue>5000000)&&(thunhaptinhthue<10000000))
			{
			thue = thunhaptinhthue*0.1;
			printf("\t Thu nhap tinh thue tren 5 trieu dong va duoi 10 trieu dong ==> Thue thu nhap phai dong = %.2f dong",thue);
			}	
		if (thunhaptinhthue>10000000)
			{
			thue = thunhaptinhthue*0.15;
			printf("\t Thu nhap tinh thue tren 10 trieu dong ==> Thue thu nhap phai dong = %.2f dong",thue);
			}	
		}
	getch();
	return(0);
}