Leif Designs and Sells Surfboards

Leif designs and sells surfboards.Although his sales are declining,he decides to keep his prices constant.Which of the following statements,if true,would support Leif's decision?

A) Surfboards at other shops in the region are priced lower.
B) Customers rate Leif's surfboards as being of about average quality.
C) Demand for surfboards has been declining for several years.
D) Leif offers a much wider variety of surfboards than his competitors do.
E) Leif has calculated that lowering prices would reduce profits.