What are the implications for currency risk of TEK focusing its manufacturing in the US but generating most of its sales abroad?

1.What are the implications for currency risk of TEK focusing its manufacturing in the US but generating most of its sales abroad? Competitors such as HP and Kodak are more geographically diversified in their sourcing. What advantages does this create for them?
2.The case describes approaches TEK follows to minimize its international tax liability. Based on your reading and understanding of the chapter, how would you advise TEK management to reduce its taxes around the world further?