A Company purchased a truck for $25,000 cash on January 1, 2018. The estimated life is 4 years or 100,000 miles; salvage value is estimated at $25,000. Actual activity was 17,000 miles in 2018 and 19,000 miles in 2019. Instructions Compute the annual depreciation expense for 2018 and 2019 under the following depreciation methods: (a) straight-line. (b) double-declining-balance, and (c) units-of-activity. A Company purchased a truck for $25,000 cash on January 1, 2018. The estimated life is 4 years or 100,000 miles; salvage value is estimated at $25,000. Actual activity was 17,000 miles in 2018 and 19,000 miles in 2019. Instructions Compute the annual depreciation expense for 2018 and 2019 under the following depreciation methods: (a) straight-line. (b) double-declining-balance, and (c) units-of-activity