How Has the Increasing Importance of the U

How has the increasing importance of the U.S.service sector contributed to the slowdown in economic growth?

A) Services are less important to the economy than goods
B) The productivity of the service sector is hard to accurately measure
C) Most investment takes place in the goods producing sector of the economy
D) Services cannot be easily exported to foreign nations
E) Technological advances have had a smaller impact on the service sector