Digger Corp has a patent that was purchased on 1/1/17 for $30,000. The patent has a 15-year useful life, no salvage value, and has been appropriately amortized at $2,000 a year for the past 3 years. On 1/1/20, Digger incurred $15,600 in legal fees to successfully defend the patent. If Digger estimate of patent's useful life and salvage value have not changed, how much amortization expense should Digger record for the patent in 2020?

Select one:

$2,640

$3,800

$3,040

$3,300