Explain how a well-managed supply chain can come into play

Select a company (ExxonMobil), and calculate the most current days of working capital (DWC) that are available. In addition to your calculations, include the information below:

-How does this company’s ratio compare to those of its competitors?

-Why is comparing this ratio to the industry average important?
-Explain how a well-managed supply chain can come into play here.
You may use the company’s webpage.