Equipment with a cost of $554600 has an estimated salvage value of $52000 and an estimated life of 4 years or 10400 hours. It is to be depreciated by the straight-line method. What is the amount of depreciation for the rst full year, during which the equipment was used for 2600 hours? 0 $125650. 0 $138650. 0 $143250. 0 $151650