A consumer will use one of three general problem-solving variations-extended, limited, or routine- based on product knowledge and 1) competitors' actions. 2) level of involvement. 3) advertising awareness. 4) communication style. 5) demand for the offering.

2) level of involvement

Explanation:

The level of involvement may be defined as it is the engagement is how involved he or she is in purchasing and consuming a product. Low-involvement goods are typically affordable and pose a low risk to the consumer if he or she makes a mistake in buying them.

Therefore the correct answer is 2 that is level of involvement.

answerall of these;

yes the correct answer was

b.the increased supply will create a surplus.