Refer to the figure below. At the equilibrium price of $6, the sellers' total revenues are equal to:

We can be more confident that standard deviation is a good measure of the risk of an asset (held in isolation) when

A) the number of different possible returns on the asset rises. B) the probabilities attached to the possible returns on the asset are less equal. C) the possible returns on the asset are distributed symmetrically around the mean. D) the asset has a longer maturity.

A Purchasing Manager's Index above 50 indicates

A) an expanding manufacturing sector. B) a downturn in economic activity. C) an increase in bond prices in the near future. D) an expanding retail sector.