22. Which of the following statement is true?
Product line a group of products that are closely related either because they satisfy a class of need, are used together are sold to the same customer groups, are marketed through the same types of outlets or fall within given price ranges.
Test marketing is the stage where the entire product and marketing programming is tried out for the first time in a small number of well chosen and authentic sales environments.
Product mix the composite of product offered for sale by a, firm or a business unit
All of the above