Penway Services is a freight service carrier in Steinbach, Manitoba with fiscal year end of Dec 31. On December 30, 2018, they bought a delivery truck for $102,500. They expect to use the truck for either 5 years or 200,000 kms, and the expected residual value is $13,200. The usage information since purchase is as follows: 2019: 30,000 kms 2020: 50,000 kms 2021 (to date): 29,000 kms It is now Aug 30, 2021. Management would like to trade in the current truck for the newer version as it's expected to decrease fuel consumption. The cost of the new truck is $92,000 and they will receive a trade-in allowance of $55,000 for the current one. Required a) Calculate amortization of the machine for years 2019, 2020 and 2021 using the unit-of- production method. (4 marks) b) Calculate the gain or loss on the trade-in of equipment. (3 marks) c) Record the journal entry for the trade-in transaction. (5 marks)