Answer:
1. The purchase task = (c) You need to buy a gift for a friend's birthday party.
2. Social surroundings = (d) Your mom decides to come with you when you say you're going to the mall.
3. Physical surroundings = (b) You like the look of the new sushi restaurant, but the chairs are really uncomfortable.
4. Temporal effects = (e) You just heard the store manager announce that the store will be closing in ten minutes.
5. Antecedent states = (a) You just ran into a friend who paid you back the $20 dollars he owes you.
Explanation:
Situational influences are temporary conditions that affect how buyers behave; whether they actually buy your product, buy additional products, or buy nothing at all from you. They include things like physical factors, social factors, time factors, the reason for the buyer's purchase, and the buyer's mood.