Which of the Following Statements Is Correct If a Firm

Multiple Choice

Which of the following statements is correct if a firm builds a larger plant and,at any particular output,its short-run average cost increases?

A) Diseconomies of scale must be present.
B) Economies of scale must be present.
C) Constant returns to scale must be present.
D) Economies,diseconomies,and constant returns to scale are all possible.