An appliance store sold GS coffeemakers for $22.95 during a promotional sale. The store bought the coffeemakers for $36 less 40%, 15% Overhead is 25% of the regular selling price (a) If the store's miarkup is 40% of the regular selling price, what was the rate of markdown? What operating profit or loss was made during the sale? What rate of markup based on cost was realized? (b) (c) (a) The rate of markdown is%. (Round to two decimal places as needed.) (b) The operating made during the sale was S (Round to the nearest cent as needed.) (c) The rate of markup based on cost is %. (Round to two decimal places as needed.)