#include <stdio.h>

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

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

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

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

		do{
			printf("Number of dependent parents?");
			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 $%d\n\n" , name);
	
		do {
			printf("Any more (yes=1/no=0)?");
			scamf("%d" , &more);
		}while (more != 1 && more!= 0);
	
		printf("\n");
	}while (more==1);
		
	return 0;
}