Amazon is a large international company with a particular focus on e-commerce. It operates a number of e-commerce business lines and uses different operations strategies for each of them. The image above and table below illustrate how different Amazon's businesses perform in terms of the variety of the products offered, speed of delivery to the customer, and delivery cost.

Question 2(b) Now think about AMAZON GO. Based on the image provided, identify whether they should employ a push or a pull supply chain, and explain how they should do it.