27. On January 3, 2016, Salazar Co. purchased machinery. The machinery has an estimated useful life of eight years and an estimated salvage value of $120,000. The depreciation applicable to this machinery was S260,000 for 2018, computed by the sum-of-the-years'-digits method. The acquisition cost of the machinery was a. $1,440,000. b. $1,560,000. c. $1,680,000 d. $1,872,000