The expected payoff is
(2/2000)($2000 + 2*$1000 + 10*$500)
= (1/1000)*$9000
= $9
$10 spent for tickets yields a $9 expected payoff.
(2/2000)($2000 + 2*$1000 + 10*$500)
= (1/1000)*$9000
= $9
$10 spent for tickets yields a $9 expected payoff.