Albert is considering two options for selling land for which he has an adjusted basis of $70,000 and on which there is a mortgage of $100,000.

Albert is considering two options for selling land for which he has an adjusted basis of $70,000 and on which there is a mortgage of $100,000. Under the first option, Albert will sell the land for $150,000 with a stipulation in the sales contract that he liquidate the mortgage before the sale is complete. Under the second option, Albert will sell the land for $50,000 and the buyer will assume the mortgage. Calculate Albert's recognized gain under both options.