Answer: Low-involvement decision
Step-by-step explanation:
Low involvement decision are the decisions of purchasing product or good without taking much self-risk .Consumer faces not much threat for buying such product and thus, there is not much requirement of thinking before buying product.
According to the question, Anita is using low-involvement decision for purchasing certain gum packs .She did not give much thought before buying as soon as she got to know her chewing gum in her bag is finished.