on december 31, strike company sold one of its batting cages for $50,000. the equipment had an original cost of $310,000 and has accumulated depreciation of $260,000. depreciation has been recorded up to the end of the year. what is the amount of the gain or loss on this transaction? a.no gain or loss b.loss of $50,000 c.gain of $50,000 d.cannot determine without more information