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A garden set is listed for $580 57 less 50% 20%, 7% (a) What is the net price? [b) What is the total amount of discount allowed? (c) What is the exact single rate of discount that was allowed? (a) The net price is s (Round the final answer to the nearest cent as needed Round ad intermediate values to six decimal places as neaded.) (b) The total amount of discount allowed is s (Round the final answer to the nearest cent as needed, Round all intermediate values to six decimal places as needed.] (c) The single rate of discount that was allowed is (Round the final answer to two decimal places as needed. Round all intermediate values to so decimal places as needed )