/*
 * A program to calculate tax and total cost.
 */

#include <stdio.h> /* printf, scanf definitions */

#define TAX_RATE .05  //constant rate of taxation

int main (void)
{

	double cost, tax, total;  //spaces for item cost, tax, and total cost

	/* get the cost of the item */
	printf("Enter cost of item: ");
	scanf("%lf", &cost);

	/* calculate the tax */
	tax = cost * TAX_RATE;

	// calculate the total cost 
	total = cost + tax;


	/* display the result */
	printf("The tax on your item is $%5.2lf.\n", tax);
	printf("The total cost of your purchase is $%5.2lf.\n", total);

	return(0); 
			
}