Jones Corporation purchased a patent for $600,000 on September 1, 2014. It had a useful life of 10 years. On January 1, 2016, Jones spent $120,000 to successfully defend the patent in a lawsuit. Jones feels that as of that date, the remaining useful life is 4 years. What amount should be reported for patent amortization expense for 2016? O $160,000 $130,000 $180,000 $90,000