Greylock Bus Company buys a small fleet of "double decker" buses for $500K. They depreciate the buses over five years with no salvage value. After three years, they decide that the double decker buses are not profitable, and sell the whole fleet for $250K. How much gain or loss does Greylock recognize at the time of the disposal? Loss of $50K Gain of $50K Loss of $250K Gain of $250K