Refer to the following letter, number, symbol series and answer the question.
(Left) D 2 R X 5 8 T ^ & 9 3 H 8 C % K T A # 3 T 5 4 $ % 9 & R % 5 (Right)
If all the letters are dropped from the series, which of the following will be in the middle of the series formed?
1
$
2
5
3
%
4
#