Scenario 14-4 Optima Artistic Tools Has Been Manufacturing Art Supplies, in Boston

Scenario 14-4
Optima Artistic Tools has been manufacturing art supplies, in Boston, for almost 100 years. It is a successful business that works with art stores around the nation. Optima produces materials for different varieties of media such as paints, pencils, charcoals, clays, brushes, papers, canvases; and also equipment such as palettes, easels, drawing tables, etc. Optima is ready to market these products online and has just hired an Internet advertising consultant, Visualizers Inc. It has aimed for a 9 percent profit from Internet sales by the end of next year. 
-(Scenario 14-4) Visualizers informs Optima that one way in which the pricing for the banner ads can be evaluated is by calculating the value created by the advertisement in terms of traffic,placement and size of ads,ad rates,and evaluations of the site's quality.This can be done by computing the _________ for the ads.

A)  big data 
B)  bounce rate 
C)  site stickiness  
D)  I-Traffic Index