Exercise 9-7 (Part Level Submission) Cullumber Company purchased a delivery truck for $38,800 on January 1, 2019. The truck has an expected salvage value of $1,800, and is expected to be driven 100,000 miles over its estimated useful life of 8 years. Actual miles driven were 13,700 in 2019 and 13,000 in 2020. (a1) Calculate depreciation expense per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation expense per mile Click if you would like to Show Work for this question: Open Show Work