K 2 A jewellery store paid a unit price of $250 less 40%, 16%, 8% for a shipment of designer watches. The store's overhead is 65% of cost and the normal profit is 55% of cost. (a) What is the regular selling price of the watchees? (b) What must the sale price be for the store to break even? (c) What is the rate of markdown to sell the watches at the break-even price? (a) The regular selling price of the watch is $ (Round to the nearest cent as needed.) (b) The break-even price is $ . (Round to the nearest cent as needed.) (c) The markdown rate is %. (Round to two decimal places as needed.)