In 1998, Ben bought a co-op for $190,000. he borrowed $145,000 from the bank to make the purchase. Now he wants to sell the co-op, but the market value has decreased to $85,000. His equity in the co-op is $50,200. If he sells the co-op, he will have to pay off the mortgage. How much will he make/ owe after he pays off the mortgage?