Huge Bargains

An Englishman, an Irishman and a Scotsman owned three big shops side by side with The Irishman's shop in The middle. One day The Englishman put up a big sign which said:
MONSTER SALE - HUGE BARGAINS Not to be outdone, The Scotsman also put up a sign which said:
MONSTER SALE - HUGE BARGAINS Soon after, The Irishman put up a sign on his shop. It read:
MAIN ENTRANCE TO SALES