Flint Taxi Service uses the units-of-activity method in computing depreciation on its taxicabs. Each cab is expected to be driven 153,000 miles. Taxi no. 10 cost $41,080 and is expected to have a salvage value of $1,300. Taxi no. 10 was driven 31,100 miles in 2022 and 24,700 miles in 2023 . (a1) Calculate depreciation cost per mile using unit-of-activity method. (Round answer to 2 decimal places, eg. 0.50) Depreciation cost per mile