Answer:
a. Superficial message processing
Step-by-step explanation:
Superficial message processing is basically a tact in advertising the product. It basically has the tact to even the sell the product which is not so good as a product, but because of this marketing tact the customer is convinced to buy.
This clearly shows that the product is sold effectively by a person with tact.
If the salesman has got this tact he can sell the product with some poor quality also.
In the given instance also the product is sold because of tact, although originally the computer presented by Dennis is superior, but Kevin got the tact.