If, as a result of a change in demand in a perfectly competitive increasing-cost industry, price and quantity rise, demand must have risen

Gasoline prices increase by 50 percent and other things remain the same. As a result, there is

A) an increase in the demand for gasoline. B) a decrease in the demand for gasoline. C) no change in the quantity of gasoline demanded. D) a decrease in the quantity of gasoline demanded. E) More information is needed to determine if the demand for gasoline increases or decreases.

Suppose the Bureau of Labor Statistics interviews 194,000 people in its monthly survey: 91,300 are not in the labor force, 94,000 are employed, 6650 are unemployed, and 1,150 are in the armed forces. What is the unemployment rate the BLS announces?

A) 4.95 percent B) 3.94 percent C) 7.0 percent D) 6.55 percent E) 6.48 percent