A stationery store sells red and blue colored pens with the same tag prices. In a campaign conducted at this stationery store, red pens are sold with the second one at 50\% discount, and blue pens are sold at 30\% discount from the tag price.
A person who bought 2 of each of the red and blue pens from this stationery store paid 4.5 TL less for the blue pens than for the red pens.
Accordingly, what is the tag price of one of these pens in TL?\\
A) 45\\
B) 40\\
C) 35\\
D) 30\\
E) 25