Jan. 1 paid $287,600 cash plus $11,500 in sales tax and $1,500 in transportation (fob shipping point) for a new loader. the loader is estimated to have a four-year life and a $20,600 salvage value. loader costs are recorded in the equipment account. jan. 3 paid $4,800 to install air-conditioning in the loader to enable operations under harsher conditions. this increased the estimated salvage value of the loader by another $1,400. dec. 31 recorded annual straight-line depreciation on the loader.