Harry Goes to the Local Staples Store to Purchase a Laptop.He

Harry goes to the local Staples store to purchase a laptop.He asks many questions of the salesclerk,compares various models on display,and decides on the Sony Vaio.The salesperson then recommends to Harry that he should purchase an extended warranty service contract for the computer.This is an example of

A) inquiry selling.
B) formula selling.
C) method selling.
D) suggestive selling.
E) need-satisfaction selling.