12). Sargent Corporation bought equipment on January 1, 2018. The equipment cost $170,000 and had an expected salvage value of $10,000. The life of the equipment was estimated to be 6 years. The total depreciable cost of the equipment is a. $170,000. b. $150,000 c. $160,000. d. $10,000. 13). Rivera Corporation bought equipment on January 1, 2018. The equipment cost $180,000 and had an expected salvage value of $30,000. The life of the equipment was estimated to be 5 years. The depreciation expense for the first year (2018) using the straight-line method of depreciation is a. $30,000. b. $36,000. c. $25,000 d. none of the above