1 A plant asset was purchased on January 1 for $100,000 with an estimated salvage value of $20,000 at the end of its useful life. The current year's Depreciation Expense is $10,000 calculated on the straight-line basis and the balance of the Accumulated Depreciation account at the end of the year is $50,000. The remaining useful life of the plant asset is + tion Select one: a. 8 years. b. 10 years. C. 3 years. d. 5 years