these are selected 2017 transactions 4 Concord Corporation on January 1st purchase a copyright for a $105,250 the copyright has a useful life of five years and a remaining legal life of 34 years, on March 31st purchase a patent with an estimated useful life of five years and a legal life of 20 years for $91,200, on September 1st purchased a small company and recorded Goodwill of $151,050 its useful life is indefinite indicate the amount of armatization expense on December 31st 2017