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Charlie is a voracious reader. He finds it inconvenient to go to a bookstore every time he needs new books. To make things easier, he purchased an e - book reader. He is delighted with this new device as it has an inbuilt dictionary and acts like a portable library with an added option to store multiple books. In the given scenario, Charlie is in the stage of the basic consumption process.
a. Benefit
b. Exchange
c. Want
d. Need