A factory machine was purchased for $379000 on January 1,2021 . It was estimated that it would have a $80000 salvage value at the end of its 5-year useful life. It was also estimated that the machine would be run 35000 hours in the 5 years. The company ran the machine for 3500 actual hours in 2021. If the company uses the units-of-activity method of depreciation, the amount of depreciation expense for 2021 would be $37900. $80000. $59800. $29900. Oriole Company purchased equipment for $990000 on January 1,2020 , and will use the double-declining-balance method of epreciation. It is estimated that the equipment will have a 3-year life and a $45000 salvage value at the end of its useful life. The mount of depreciation expense recognized in the year 2022 will be $73880. $110000. $118880. $65000. Coronado Corporation bought equipment on January 1, 2021. The equipment cost $360000 and had an expected salvage value of $59700. 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 $150150.$259900.$100100.$360000