To maker a profit , a local store marks up the prices of its items by 15% . write a program on input / output file stream that read the original price of the item sold ( given original price $75 ) , the percentage of the marked-up price (given 15% ) , and the state tax rate 6% . The program then outputs the original price of the item , the percentage of the mark-up, the store selling price of the item, the sale tax rate. the sale tax , and the final price of the item. . ( the final price of the item is the selliing price plus the sales tax .