Exercise 9-7 Linton Company purchased a delivery truck for $26,000 on January 1, 2017. The truck has an expected salvage value of $1,400, and is expected to be driven 106,000 miles over its estimated useful life of 5 years. Actual miles driven were 15,800 in 2017 and 14,600 in 2018. Calculate depreciation expense per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.52. Depreciation expense s per mile