#include <stdio.h>

int main ()
{
	char name[30];
	float tax, income, allowance, net_chargeable;
	int marital, children, parent;
	int more = 1;				

	do{
		printf("Name?");
		scanf("%s",name);

	do{
		printf("Total annual income?");	
		scanf("%f",&income);
	}while (income<0);

	do{
		printf("Marital status (1=Single, 2=Married)?");
		scanf("%d",&marital);
	} while (marital !=1 && marital !=2);

	if(marital==2)
	do{
		printf("Number of children?");
		scanf("%d", &children);
	}while (children <0);
	
	do{
		printf("Number of dependent parent?");
		scanf("%d", &parent);
	}while (parent<0);

	allowance=30000;
	if(marital == 2)
	{
		allowance = allowance + 30000;
		if(children <= 5)
			allowance = allowance + children * 10000;
		else 
			allowance = allowance + 50000;
	}
	allowance = allowance + parent * 15000;

	net_chargeable = income -allowance;
	
	if (net_chargeable <=0)
		tax=0;
	else if(net_chargeable <=20000)
		tax = net_chargeable * 0.1;
	else if (net_chargeable <= 40000)
		tax = 20000 * 0.1 +(net_chargeable - 20000) * 0.2;
	else
	{
		tax = 20000 * 0.1 +20000 * 0.2;
		tax = tax + (net_chargeable - 40000) *0.3;

	}
	if( tax > income * 0.25)
		tax = income * 0.25;

	 printf("Tax for %s is $%.0f\n\n", name,tax);
	do{
		printf("Any more (yes=1/no=0)? ");
		scanf("%d", &more);
	}while (more !=1 && more !=0);
	
	printf("\n");
	}while (more==1);
	return 0;
}