Expenditures on Advertising

Expenditures on advertising

A) can lower average total cost if the advertising increases the quantity sold by a large enough amount.
B) cannot lower average total cost because when a firm advertises it increases its costs.
C) always lower average total cost because whenever a firm advertises,it increases the quantity sold.
D) are variable costs so do not affect the average total cost.
E) lower total cost if the advertising increases the quantity sold by a large enough amount.