Rosco Taxi Service uses the units-of-activity method in computing depredation on its taxicabs. Each cab is expected to be driven 142,000 miles, Taxi no. 10 cost $38,000 and is expected to have a salvage value of $710. Taxi no. 10 is driven 28, 300 miles in year 1 and 24, 600 miles in year 2. Calculate depreciation cost per mile using unit-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation cost $ _____ per mile