Critical Reasoning

Considering the current economy, the introduction of new brand of cereal is unlikely to expand total sales of cereal, but rather will just cause some existing buyers of cereal to switch brands. So it makes no sense for Coolidge corporation to introduce another brand of cereal. since they will only hurt sales of the brands of cereal they already produce.

Which of the following, if true, would most seriously weaken the argument above ?

1. Total sales of cereal will increase as the total population increases.

2. Many new brands of cereal sell extremely well for the first year of their existence.

3.Coolidge corporation currently produces fewer brands of cereal than do its competitors.

4. Some cereal buyers regularly switch from brand to brand, even when no new brands have been introduced.

5. Research indicates that the new brand will attract more buyers of competitor's cereal than buyers of Coolidge brands.

OA is 5