On January 2, 2017, Albion Corp. purchased a patent for a new consumer product for $45,000. At the time of purchase, the patent was valid for 15 years. Due to the competitive nature of the product, however, the patent was estimated to have a useful life of only ten years. During 2020, the product was permanently removed from the market because of a potential health hazard. What amount should Albion recognize as an impairment loss for calendar 2020, assuming amortization has been recorded annually using the straight-line method with no residual value?

$4,500

$27,000

$31,500

$36,000