#include<stdio.h>
int main()
{
	float income;
	float tax;
	printf("Enter your income: ");
	scanf("$%f",&income);

	if(income < 750)
		printf("Your tax is $%.2f",1*income/100);
	else if(income < 2500)
		printf("Your tax is $%.2f",7.5+2*(income-750)/100);
	else if(income < 4000)
		printf("Your tax is $%.2f",37.5+3*(income-2500)/100);
	else if(income < 10000)
		printf("Your tax is $%.2f",80.5+5*(income-4000)/100);
	else
		printf("Your tax is $%.2f",250+10*(income-10000)/100);
	
}