Crest Toothpaste Offers New Whitening Toothpaste One Year,a New Gel

Essay

Crest Toothpaste offers new whitening toothpaste one year,a new gel swirl design the next year,and an improved cleaning formula the year after.Crest Toothpaste does this because it is
A) a monopoly trying to decrease its costs.
B) a perfectly competitive firm trying to increase its price.
C) a monopolistically competitive firm trying to maintain its economic profit.
D) driving its competitors out of business.
E) a perfectly competitive firm trying to increase its costs so it can increase its price.