Consider the Chain of Production from OLEDs (Organic Light-Emitting Diodes)

Multiple Choice

Consider the chain of production from OLEDs (organic light-emitting diodes) to smartphones. How does the chain illustrate that not all buyers are consumers?

A) The sellers in the OLED market are OLED manufacturers.
B) The buyers in the OLED market are smartphone manufacturers.
C) The sellers in the smartphone market are smartphone manufacturers.
D) The buyers in the smartphone market are consumers.