Problem 11-9 (Algo) Straight-line depreciation; disposal; partial period; change in estimate [LO11-2, 11-5] The property, plant, and equipment section of the Jasper Company's December 31, 2020, balance sheet contained the following: The land and buliding were purchased at the beginning of 2016. Straight-line depreciation is used and a residual value of $46,000 for the building is anticipated. The equipment is comprised of the following three machines: The straight-line method is used to determine depreciation on the equipment. On March 31, 2021, Machine 102 was sold for $56,500. Early in 2021, the useful ife of machine 101 was revised to seven years in total, and the residual value was revised to zero. Required: 1. Calculate the accumulated depreciation on the equipment at December 31,2020 . 2. Prepare the joumal entry to record 2021 depreciation on machine 102 up to the date of sale. 3. Calculate the gain or loss on the sale of machine 102 . 4. Prepare the journal entry for the sale of machine 102 . 5. Prepare the 2021 yeat-end journal entries to record depreciation on the building and remaining equipment