The intangible assets section of Indigo Corporation's balance sheet at December 31, 2025, is presented here. Patents ($72,000 cost less $7,200 amortization) $64,800 Copyrights ($43,200 cost less $30,240 amortization) 12,960 Total $77,760 The patent was acquired in January 2025 and has a useful life of 10 years. The copyright was acquired in January 2019 and also has a useful life of 10 years. The following cash transactions may have affected intangible assets during 2026. Jan. 2 Jan-June Sept. 1 Oct. 1 Paid $56,160 legal costs to successfully defend the patent against infringement by another company. Developed a new product, incurring $276,000 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. Legal and other costs for the patent were $24,000. Paid $48,000 to a quarterback to appear in commercials advertising the company's products. The commercials will air in September and October. Acquired a copyright for $240,000. The copyright has a useful life and legal life of 50 years.