Before World War I, most countries belonged to a system of fixed exchange rates in which currencies were tied to which of the following assets?

Under a rule of reason approach, an act is illegal

a. only if it is shown to result in an anticompetitive outcome b. if two parties merge c. if a firm engages in price discrimination d. if two firms engage in price fixing e. if two firms undertake a joint venture

When viewed as a tangible asset, real estate can be defined as the land and its permanent improvements. Improvements on the land include:

A. fences B. walkways C. sewer systems D. streets