If there are diseconomies of scale within a given range of output, which of following is(are) TRUE?
A) The short-run average cost curve must be upward sloping within that range of output.
B) The long-run average cost curve must be upward sloping within that range of output.
C) Long-run average cost must equal short-run average cost.
D) All of the above.
Answer: The long-run average cost curve must be upward sloping within that range of output.