A patio set cost a retailer $445.00 less 1521%,15%,4%. Markup is 58% of the regular selling price. During the end-of-season sale, the patio set is marked down 19%. (a) What is the end-of-season sale price? (b) What rate of markup based on cost will be realized during the sale? (a) The end-of-season sale price of the patio set is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (b) The rate of markup based on cost is %. (Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed.)