Which of the following scenarios represents an impulse purchase? Select all that apply.

Jesse goes to the shoe store to purchase new sneakers after he saw his friend Mike wearing a pair of shoes that he realized he must have. He used all of his cash to purchase the shoes.
Jesse goes to the shoe store to pick up some shoe polish for his sneakers that were really dirty.
Jesse goes to the shoe store to purchase new sneakers. He saw an ad in the newspaper for sneakers that were 50% off.
Jesse goes to the shoe store to purchase new sneakers that he saw in the store window. The sneakers were $200 so he used his credit card to purchase them.