Answer:
With his ability to understand people and their ways of thinking, Kawasaki will be able to relate to them and will be 'helpful' in selling certain products to certain people.
Step-by-step explanation:
A marketer is someone who is privy to the workings of the company and helps sell or promote whatever goods that company is trying to sell to the public. This means that a marketer is like the public relation of the company, with the primary goal of promoting the company and its products.
As a psychology major, Kawasaki will be able to understand people and their ways of thinking. He will be able to relate to their patterns and get to understand what the other person is thinking or even wants. And in knowing their minds, he will be able to sell certain items to certain people. This way, his psychology background will help him in successfully 'helping' sell the products to customers.