As of Dec 31,2013, Mistletoe Corp. has a patent with a carrying value of $100,000. The original cost was $250,000 and the accumulated amortization is $150,000. Mistle toe has elected a policy of revaluing all intangibles

The patent has a remaining life of 8 years as of January 1, 2014. As of Dec 31, 2014, the fair value of the patent was $140,000

Due to changes in technology, as of Dec 31,2015, the fair value of the patent was $50,000

Question: Using IFRS provide any journal entries that relate to the patent for all the years ended Dec 31, 2014 and 2015. Assume zero salvage value for the patent at the end of its life.