I need help calculating the WACC (weighted average cost of capital) of a company preferably amazon if not it's ok any will do.

I need to explain how data was used to calculate WACC. This would be the formula and the formula with your values substituted.

As well as thesources for the data.

Lastly I also need a Microsoft Excel file that shows the WACC calculations discussed above.

Thank you very much your help is appreciated!!