Tickets for a raffle cosr

$
$14. There were 834 tickets sold. One ticket will be randomly selected as the winner, and that person wins
$
$1200 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)?

If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer rounded to two decimal places.

12.53