The Pen

This is part of a 3-polls structure meant to analyze the consumers' buying decisions in different cases under different types of surveying. It is short experiment that will reveal some interesting facts about consumer's behaviour. It does not require any of your personal data and it's simple and fun.
Situational Case: You are in a shop and you find a pen that you like a lot and that costs 15$. You look around in the shop before buying it and you meet a close friend that tells you he has seen the exact same pen in another shop. The price is only 8$ but the shop is 15 minutes of walking away from the place you are now. What do you do?Required to answer