1. Say you work for Tesla and your boss wants you to determine how many people who visit the company website are from outside the US. Unfortunately, however, you don't have access to the IP addresses of those visiting your site and so you cannot tell where people are located when they visit the site. What can the 10 Percent Presumption help you to do?

a. Determine if your company should sell abroad or not

b. Make a good guess about how much of the web traffic is from outside the US

c. Presume that a certain percentage of all web traffic is from companies with a comparative advantage

d. Develop a presumptive strategy around how to develop algorithms to determine the visitors' location

2.What was the main factor that helped flatten the world for a more level global playing field?

a. The printing press

b. The World Trade Organization

c. The internet

d. The collapse of communism in Russia

3.All of the following are described as flatteners except

a. Writing the Linux operating system using engineers collaborating together and working for free.

b. Creating a global supply chain down to the last atom of efficiency so that when an item is sold in Arkansas, another is immediately made in China.

c. Immigration of skilled labor from developed to developing counties.

d. The day the Berlin wall came down.