中等ECON-PRDC-012
A restaurant meal cooked and served to a diner is classed as:
A. Primary production, because it uses food
B. Tertiary production✓ 答案
C. Not production, because it is a service
D. A free good
解說
The output sold to the diner is a service, so it is tertiary production. Growing the wheat would be primary; packing frozen dumplings in a factory would be secondary. Services are output.