G. Depreciation Home 5: Jeff Jeffy purchased a new equipment on January 1, 2018 for $100,000. The equipment had an estimated life of 5 years and a salvage value of $10,000. Find the Depreciation expense at December 2013 under the following methods (1) Straight-line, (B) Sum-of-year Digit, (C) Double Declining Balance. D. If the equipment was sold on December 31, 2019 for $50,000, what is the entry to record the gain or loss using the straight-line method