Just-noticeable difference (JnD) is a marketing concept that aims at sustaining proper price and quality for commodities. Therefore, it is an extremely significant element to any marketer. It aids in setting up necessary marketing principles for a product through accurate consideration and representation of various factors that may influence the market of a product. For example, a chocolate manufacturer may consider this element to make outstanding presentation about the product on pricing, packaging, and promotional claims in times when ingredient and material costs rise as well as increase in competition.
In most cases, packaging of a product