Though many just use Amazons' tried before you buy program for clothing purchases. The program includes baby clothing, handbags, jewelry, luggage and watches. Amazon Prime Members have a week to decide if they want to keep and item and be charged for it or they can return it for free. The program reflects the $\_\_\_\_\_\_\_\_\_\_\_\_\_\_$of its products.

Group of answer choices

relative advantage

compatibility

observability

complexity

trialability