Marketers often create a unified impression by displaying associated items together. For instance, consumers might perceive a table setting as elegant when the napkins, napkin holders, wine goblets, silverware, dishes, and serving bowls are cleverly arranged together. Such a perception of elegance on the part of the consumer is due to the concept of

a$.$ grouping

b$.$ need for closure

c$.$ figure and ground

d$.$ subliminal perception

e$.$ none of the above