Sargent Corporation bought equipment on January 1, 2017. The equipment cost $360,000 and had an expected salvage value of $60,000. The life of the equipment was estimated to be 6 years. Assuming straight-line deprecation, the book value of the equipment at the beginning of the third year would be Select one: a. $150,000 b. $360,000. c. $260,000 d. $100,000