Smith & Sons obtained a patent for a new optical scanning device. The fees incurred to file for the patent and to defend the patent in court against several companies which challenged the patent amounted to $45,000. Smith & Sons concluded that the expected economic life of the patent was 12 years. Calculate the amortization expense that should be recorded in the second year, and record the journal entry for the amortization expense on the books of Smith & Sons. $

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.