use BA calculator please

Home Hardware paid $124 for a particular type of drill. Expenses are 10% of selling price and the required profit is 13% of selling price. Round ALL answers to the nearest cent if applicable. 1) What is the regular selling price? $ 2) What is the break-even selling price? $ 3) During an inventory sale, the drill was marked down 17% on the regular selling price. What is the sale price? 4) What is the operating profit or loss during the inventory sale (use a negative sign (-) for a loss)