Answer :
Answer: D. Encouraging trial purchase of the product.
Explanation: Encouraging product trial, firms reduce price, give out free samples of their new product to consumers and other trial incentives.
Encouraging product trial is important in checking real time consumer reaction to a product and the stimulation will help gather useful consumer's data.
Randy was given bite sized portion of a new brand of sausage by a lady at the super market who was trying to "encourage trial purchase of product".