Before Apple's IPhone X Was Officially for Sale in China

Multiple Choice

Before Apple's iPhone X was officially for sale in China, it was being sold there. These phones were purchased in other countries like the United States and then resold by unauthorized vendors in China for up to 30% over the retail price. These products are considered to be part of

A) under-the-counter sales.
B) over-the-counter sales.
C) the gray market.
D) integrated global channels.
E) breaking the distribution monopoly.