A patent was acquired by Oriole Corporation on January 1,2017, at a cost of $77,600. The useful life of the patent was estimated to be 10 years. At the beginning of 2020 , Oriole spent $14,280 in successfully defending an infringement of the patent. At the beginning of 2021 , Oriole purchased a patent for $25,410 that was expected to prolong the life of its original patent for 5 additional years. (a) Calculate the amortization expense for 2017. Amortization Expense Attempts: 2 of 3 used (b) Calculate the balance in the Patent account at the beginning of 2021, after purchase of the additional patent: Balance in the Patent account