Answer:
d. Social
Explanation:
Social factors that are outside influences prevalent in the society that dictates the choice of a consumer to purchase a commodity. It can involve someone, somewhere in the society, influencing the behavior of another. An example is when people’s behavior are influenced by social trends. Christian Louboutin famous expensive designer shoes that are common among celebrities for show off is what influences the choice of Ashley as a reference group. His behavior is influenced by an outside influence as he joins the trend.