1. Which of the following are examples of side effects (including both positive and negative side effects)?

1. The loss of sales of your company due to a new product which your company recently introduced.
2. The loss of sales of your company due to a new product recently introduced by your competitor.
3. The loss of sales of your store because your chief competitor just opened a store across the street from your store.
4. The increase of sales of your company due to a new product which your company just introduced.