In monopolistic competition: A. firms earn zero economic profits in the long run. B. each firm produces a product identical to that of every other firm in the industry. C. firms are aware of their strategic interdependence. D. firms earn large economic profits in the long run.

answer: b) the us is the leading importer but not the leading exporter.

extra info:

the u.s is the largest importer but it is not the largest exporter as china sits on the top of the table when it comes to leading exporters.

but u.s is not far from first,

they rank in 2nd globally as the worlds largest exporter.

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u = 30

continuing your method

= +

subtract from both sides

= - thus

= -

= ⇒ u = 30

answerdata mart;