You have been assigned the job of building an oil pipeline from the West Coast of the United States to the East Coast. You are told that any one of the three West Coast sites is satisfactory and any of the three East Coast sites is satisfactory.
The numbers in Figure represent relative cost in hundreds of millions ($×108). Find the cheapest West Coast to East Coast pipeline.
![905_Fig.jpg](https://secure.tutorsglobe.com/CMSImages/905_Fig.jpg)