Which of the following would cause a decrease in supply for good W?

A) An increase in preferences for good W among consumers
B) A technological advance in producing good W
C) A price increase in a key input used to produce good W
D) An increase in the income of consumers most likely to purchase good W

Key Input

A crucial factor or resource required for the production process in an industry or manufacturing, significantly impacting the output.

Supply

The total amount of a good or service available for purchase at any given price level in a market.

Technological Advance

Improvements or innovations in technology that enhance productivity, efficiency, or product quality.