In which of the following ways do advertising and other selling costs affect a firm's cost curves?
i. Advertising expenditures increase total fixed costs.
ii. Selling costs increase total fixed costs.
iii. Advertising and other selling costs per unit of output decrease as output increases.
A) i only
B) i and ii
C) iii only
D) i and iii
E) i, ii, and iii
E
Economics
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What will be an ideal response?
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Few firms in the United States are monopolies because
A) when a firm earns profits, other firms will enter its market. B) most products that firms produce have substitutes. C) few firms experience economies of scale. D) of antitrust laws.
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