Refer to the diagrams. In which case would the coefficient of cross elasticity of demand be negative?

Assume a consumer has a horizontal demand curve for a product. His consumer surplus from buying the product

A) is maximized. B) can't be calculated. C) equals zero. D) Need more information.

The primary antitrust statute in the United States is the

A) NLRA of 1935. B) SEC Act of 1933. C) Sherman Antitrust Act of 1890. D) Federal Reserve Act of 1913.