the prices are fixed and u dun see price tags. but some shops
sell at a lower price and they will state their price. usually
about 10% cheaper. 
singles ¥1,200 ($17)
import english ¥2,300 ($32.60)
j-pop full albums ¥2,300~¥3,000 (up to $39)
AV ¥2,800~¥3,000
anime DVD per 2~3 episodes ~¥5,900 ($85) (not very sure)
