In a Competitive Market Characterized by Increasing Costs,the Long-Run Industry

Multiple Choice

In a competitive market characterized by increasing costs,the long-run industry supply curve

A) gives the minimum long-run average cost of production at various levels of industry output.
B) gives the long-run marginal cost of production at various levels of industry output.
C) is upward sloping.
D) both a and b
E) a,b,and c