Whispering Winds Taxi Service uses the units-of-activity method in computing depreciation on its taxicabs. Each cab is expected to be driven 141,000 miles. Taxi no. 10 cost $51,950 and is expected to have a salvage value of $2,600. Taxi no. 10 was driven 35,900 miles in 2022 and 25,400 miles in 2023. (a1) Your answer is incorrect. Calculate depreciation cost per mile using unit-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation cost per mile