During 2009, a) Thompson Corporation spent $170,000 in research and development costs. As a result, a new product called the New Age Piano was patented. The patent was obtained on October 1, 2009, and had a legal life of 20 years and a useful life of 10 years. b) Legal costs of $24,000 related to the patent were incurred as of October 1, 2009.

(1) Prepare all journal entries required in 2009 and 2010 as a result of the transactions above.

(2) On June 1, 2011, Thompson spent $12,400 to successfully prosecute a patent infringement suit. As a result, the estimate of useful life was extended to 12 years from June 1, 2011. Prepare all journal entries required in 2011 and 2012.

(3) In 2013, Thompson determined that a competitor