A charity holds a raffle in which each ticket is sold for $45. A total of 8200 tickets are sold. They raffle one grand prize which is a Mercedes Benz E350 valued at $60000 along with 6 second prizes of Kawasaki motorcycles valued at $11000 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)..