Which Is a Rational Motive for the Decision to Make

Which is a rational motive for the decision to make a purchase?

A) A purchase that is based on motives such as aesthetics or sociability
B) Purchasing a pair of slacks because your friend looks great wearing the same kind of slacks
C) An evaluation of the attributes of the product,for example,cost,quality,usefulness
D) A decision to buy chewing gum while waiting in the checkout line
E) Purchasing a chocolate milkshake because you like the taste