Complex sentence: In 1971 the winner recived $3,000 and each year since then, the winner's purse has been raised by $1,000; in 2007 the winner recived a total check of $40,000.
Split into simpler sentences: In 1971 the winner recived $3,000 and each year since the winners purse has been raised by $1,000. In 2007 the winner recived a total check of $40,000.