ron's property

Ron's property tax is $682.55 and is due April 25 He does not pay until july l9 adds a penalty of 7.7% simple interest on unpaid tax. Find the penally Ron will pay (A there are 365 days in a year.) (Round to the nearest cent.) Ron's penalty will be $[ (January. March, May. July. August, October, and December have 31 days April, June, September, and November have 30 days. February usually has 28 days)