A patent was acquired by Renfro Corporationon January1,2014 ,at a cost of $80,000.The useful life of the patent was estimated to be 10 years. At the beginning of 2017, Renfro spent $14,000 in successfully defending an infringement of the patent. At the beginning of 2018, Renfro purchased a patent for $21,000 that was expected to prolong the life of its original patent for 5 additional years.

Instructions

Calculate the following amounts for Renfro Corporation.

(a) Amortization expense for 2014.

(b) The balance in the Patent account at the beginning of 2017, immediately after the infringement suit.

(c) Amortization expense for 2017.

(d) The balance in the Patent account at the beginning of 2018, after purchase of the additional patent.

(e) Amortization expense for 2018.