a stock is trading at $60. You believe there is a 60%

A stock is trading at $69. You believe there is a 60% chance the price of the stock will increase by 20% over the next 3 months. You believe there is a 10% chance the stock will drop by 5%, and you think there is only a 30% chance of a major drop in price of 60%. At the money 3-month puts are available at a cost of $840 per contract. What is the expected dollar profit for a writer of a naked put at the end of 3 months