Home Furniture paid $136 for a lamp. Expenses are 12% of selling price and the required profit is 21% 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 lamp was marked down 22% 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 (s) for a loss)