Molly and Dolly form MD Corporation. Molly transfers a building with a fair market value of $80,000 and a basis of $400,000 that is encumbered by a $100,000 mortgage that a corporation assumes in exchange for 50 percent of MD's stock (fair market value = $700,000). Dolly contributes equipment valued at $900,000 with a basis of $500,000 that is encumbered by a $200,000 liability that the corporation assumes in exchange for the other 50 percent of MD's stock. What are Molly and Dolly's realized and recognized gains and their bases in the stock received. What is the corporation's basis in the contributed assets?