The Shapes of Firms' Cost Curves Are Important Because

Multiple Choice

The shapes of firms' cost curves are important because

A) they tell us whether a firm is profitable or not.
B) they help us determine how much a firm will produce and even how it will produce it.
C) cost curves tell us the profitability of the firm.
D) cost curves give us an idea of what a firm's total revenues will be at different output levels
E) they help us understand the market that the firm is in.