Astorepays$487.92foraclarinetandmarksthepriceupby25%.Whatisthenewprice?

25% of $487.92 is (25/100) * $487.92 = $121.98

The new price is $487.92 + $121.98 = $<<487.92+121.98=609.90>>609.90. Answer: \boxed{609.90}.