In January, 2018, Sandhill Corp. purchased a patent for a new consumer product for $926000. 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 2023, the product was permanently removed from the market because of a potential health hazard. What amount should Sandhill recognize as an impairment loss for calendar 2023, assuming amortization has been recorded annually using the straight-line method with no residual value? $61733 $92600 $617333 $463000