The intangible asset section of Roberts Corporation at December 31, 1996, is presented below:

The patent was acquired in January of 1996 and has a useful life of 10 years. The copyright was acquired in January of 1993 and also has a useful life of 10 years. The following cash transactions may have affected intangible assets during 1997:
Jan. 2 Paid \(\$ 9,000\) legal costs to successfully defend the patent against infringement by another company.

Jan.-June Developed a new product incurring \(\$ 140,000\) in research and development costs. A patent was granted for the product on July 1, and its useful life is equal to its legal life.
Sept. 1 Paid \(\$ 60,000\) to a quarterback to appear in commercials advertising the company's products. The commercials will air in September and October.
Oct. 1 Acquired a copyright for \(\$ 100,000\). The copyright has a useful life of 50 years \section*{Instructions}

(a) Prepare journal entries to record the transactions above.

(b) Prepare journal entries to record the 1997 amortization expense for intangible assets.

(c) Prepare the intangible asset section of the balance sheet at December 31, 1997.

(d) 31, 1997.

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Patent ($60,000 cost less $6,000 amortization) Copyright ($36,000 cost less $14,400 amortization) Total $54,000 21,600 $75,600