Which of the Following Is True of the Aggregate Supply

Multiple Choice

Which of the following is true of the aggregate supply curve?

A) It portrays an inverse relationship between the price level and quantity of aggregate output.
B) Resource utilization is constant along the curve.
C) A decrease in the price level encourages firms to expand production because the cost of production decreases.
D) The curve is upward-sloping.
E) As average prices in the United States rise relative to average prices in other countries,U.S.producers find export markets more attractive than domestic markets.