A charity holds a raffle in which each ticket is sold for $25. A total of 11200 tickets are sold. They raffle one grand prize which is a BMW M3 valued at $50000 along with 6 second prizes of Ducati motorcycles valued at $12000 each. What are the expected winnings for a single ticket buyer? Express to at least three decimal place accuracy in dollar form (as opposed to cents).
Answer: $