Tesla, the world's largest electric car manufacturer, started taking pre-orders for its Model 3 car in March 2016. The pre-orders gave customers an opportunity to pre-book their Model 3 by giving a down payment of $1,000. Once Tesla received the pre-orders, it started manufacturing the Model 3.

What kind of strategy do you think was employed by Tesla's supply chain manager?

1) Pull-based model

2) Push-based model