Retail Value/Price, Original and Current Price

Hi

In IS retail i understand that we can maintain the current price and original price of article at particular store. Can some one let me know where can we maintain the same? Also please let me know the setting where we can say that the reference is Sending site current price or Receiving site original price when doing transfer from one site to another.

For an article i understand we can maintain the Cost price(Moving average price) and also retail Price , can some one let me know where can we maintain this prices of cost price and retail price.

regards

mohammed