Which of the Following Statements Is True of Business Services

Which of the following statements is true of business services?

A) Most business services companies enter international markets to service their local clients abroad.
B) Services are intangible and so cannot be produced in one country and exported to another.
C) The removal of trade barriers poses a serious threat to the continued expansion of international services trade.
D) Firms should avoid providing after-sales services as the costs do not justify the benefits.
E) The perception of quality of a business service depends solely on the average per capita income of the buyer's country.