Compute depreciation using units-of-activity- method. Speedy Taxi Service uses the units-of-activity method in computing depreciation on its taxicabs. Each cab is expected to be driven 150,000 miles. Taxi 10 cost $27, 500 and is expected to have a salvage value of $500. Taxi 10 was driven 32,000 miles in 2013 and 33,000 miles in 2014. Compute the depreciation for each year