Is Martin still liable on the mortgage debt?

  Martin Manufacturing decided to raise additional long-term capital by mortgaging an industrial park it owned. First National Loan Co. agreed to lend Martin $1 million and to take a note and first mortgage on the land and building. The mortgage was duly recorded. Martin sold the property to Marshall, who took the property and assumed the mortgage debt. Does Marshall have any personal liability on the mortgage debt? Is Martin still liable on the mortgage debt? Explain.