Answer: (E) Trial
Explanation:
The trial stage is one of the stage in the product adopting process in which the customer trail about the new products and the services in the market on a very small scale for estimating about the value of the given product.
In this process consumer trail the item and the decide about using the new launched product on the regularly basis.
According to the given question, the customers trying the new products sample of the instant drink are refers to the trial stage of the product adopting process.
Therefore, Option (E) is correct answer.
