With Respect to a Product for Which a Promotional Mix

With respect to a product for which a promotional mix is being developed, risk

A) refers to the degree of service or support required after the sale.
B) refers to the technical sophistication of the product and hence the amount of understanding required to use it.
C) in a product means there should be less emphasis on personal selling.
D) can be assessed in terms of financial, social, and physical aspects.
E) is irrelevant.