Which of the following companies would you consider to be a monopoly? Explain your answer in each case :

Explain each answer thoroughly with concise Economic language. SHOW YOUR WORK.

Do not copy and past from the internet.

Do NOT copy and paste from the internet.

1. Google Fiber
2. Google search engine
3. Duke Energy
4. Spectrum - Formally Time warner cable
5. AB InBev
6. Sirius XM
7. Luxottica
8. Facebook