Natural environment also a external factors that affect business. As the word natural means something comes suddenly and it couldn’t control. Natural environment such as natural pollution, cost of raw materials and any other natural forces. For example, Pizza Hut has the high overhead cost because they are not just serving deliveries but also walk in customer. In this point, they have to loads many raw materials. As the natural forces have made the cost of raw material growth, therefore the cost for the raw materials for Pizza Hut is high. Besides that, pollution nowadays is increased. This may affect those producers to produce raw material for them. In addition, when pollution comes, may people will not eat outside.