shop.c

#include <stdio.h>

#define TAX_RATE 0.065

int main(void) {
	double item_cost, total, total_cost;
    int items, taxed;

    printf("What is the cost of the item to be purchased (in dollars)?\n\n");
    scanf("%lf", &item_cost);
    printf("How many of the item are you purchasing?\n\n");
    scanf("%d", &items);
    total_cost = item_cost * items;
    printf("Is the item a taxed item (1 = yes, 0 = no)?\n\n");
    scanf("%d", &taxed);
    total = total_cost * (TAX_RATE + taxed);
    printf("The total comes out to $%.2lf", total);

    return 0;

}