I need help answering the following questions.

1.) The world's 10 largest firmsWhat are their sources of economies of scale?Find the Forbes 2000 list of the world's largest firms atwww.forbes.com/lists. From the top 10 list, select three firms from three different industries and discuss the likely sources of the economies of scale that underlie their large size.

2.) Copy and paste the following link:http://www.pbs.org/video/2365838358/

Watch the PaulSolmanvideo and answer the following questions.

How have companies like California-based surfboard company,Waveskis, been bruised by Chinese competition?Explain.

How have the effects of foreign trade impacted politics?Explain.

Where do you see this type of company survival in one year from now?In 5 years?Explain.