Ralph has experienced financial difficulties as a result of his struggling business. He has been behind on his mortgage payments for the last six months. The mortgage holder, who is a friend of Ralph$$s$,$ has offered to accept $$80,000$ in full payment of the $$100,000$ owed on the mortgage and payable over the next $10$ years. The interest rate of the mortgage is $7\%,$ and the market rate is now $8\%.$ What tax issues are raised by the creditor$$s offer?