If long-run average total cost decreases as the quantity of output increases, the firm is experiencing

A) economies of scale.
B) diseconomies of scale.
C) coordination problems arising from the large size of the firm.
D) fixed costs greatly exceeding variable costs.

Interference with economic relations is actionable even where no breach of contract has taken place, but

A) there must be some other unlawful conduct associated with the complaint, such as bribery or defamation.
B) there must be some instance of negligence associated with the complaint, such as a product liability claim.
C) the conduct complained of must have been unintentional, otherwise the action will not succeed.
D) the conduct complained of must not have resulted in actual harm, otherwise the action will not succeed.
E) no damages can be awarded in such an action.