You have just bought a used track-type tractor to add to your production fleet. the initial capitalized value of the tractor is $110,000. the estimated service life remaining on the tractor is 10,000 hours and the anticipated operating conditions across the remainder of its life are normal. the salvage value of the tractor is $12,000. the tractor was purchased on july 1, 1997.a. what amount of depreciation will you claim for each calendar year between 1997 and 1998? b. what percent of the total depreciable amount is taken in the first year?