Applying and comparing architectures

What are the advantages of using an edge analytics architecture over a standard IoT architecture? Why go with a more expensive and complicated edge analytics solution over a basic IoT one? To answer these questions, let's outline a potential business model and apply both architectures to it.

Let's suppose you are an entrepreneur and you introduce the world to an exciting new soft drink, Edge Cola. Business is growing swiftly and you roll out your new soft drink with high-tech vending machines. You've heard of IoT and wonder how it could work with your vending machines. 

Would a standard IoT architecture work for your business, or should you look into edge analytics?