Must show all calculations to receive credit, Write your name and class time at the top of the page and staple multiple pages together. Preston Inc. purchased a machine on April I, 2012, for $106,000. The machine had an estimated life of eight years and an estimated salvage value of $10.000. 1. Calculate the total accumulated depreciation on the machine on December 31, 2015, assuming that Preston uses straight-line depreciation. 2. Calculate the net book value of the machine on December 31, 2014, assuming that Preston uses double-declining balance depreciation. 3. Assume that Preston sold the machine on July 1, 2017. Prepare the journal entry to record the sale of the machine if it was sold for $45,000. assuming that Preston uses straight-line depreciation. 4. Assume that Preston sold the machine on October 1, 2018. Prepare the journal entry to record the sale of the truck if it was sold for $27,000, assuming that Preston uses straight-line depreciation