For which of the following would penetration pricing NOT be an appropriate strategy?

A$.$ The penetration pricer must maintain its low$-$price position.

B$.$ The market must be highly price sensitive so that a low price produces more market growth.

C$.$ The low price must help keep out the competition.

D$.$ Enough buyers must want the product at a higher price.

E$.$ The production and distribution costs must decrease as sales volume increases.