Need help with depreciation expense

Kwlk Taxi Service uses the units-of-activity method in computing depreciation on its taxicabs. Each cab is expected to be driven 144,000 miles. Taxi 10 cost $29, 800 and is expected to have a salvage value of $200. Taxi 10 was driven 31,000 miles in 2016 and 33, 500 miles in 2017. Determine the depreciation cost. (Round answer to 2 decimal places, e.g. 1.25.) Compute the depreciation for each year. (Round answers to 0 decimal places, e.g. 125.)