On January 1, 2022, a company purchased a machine for $200,000 with an estimated useful life of 10 years and an estimated residual value of $20,000. The company uses the straight-line method to depreciate its machinery. The company also spent $30,000 on repairs and maintenance of the machine in the year 2023. Determine the depreciation expense for the years 2022 and 2023, the carrying amount of the machine as at December 31, 2023 and the gain or loss on disposal of the machine if it was sold for $170,000 at the end of the fifth year.