(Figure: Price and Quantity of Output and Table I) for Simplicity

question 21

Multiple Choice

(Figure: Price and Quantity of Output and Table I) For simplicity, assume that there are only three firms in a perfectly competitive industry; their short-run supply curves are depicted in the graph. At a market price of $100, the industry output is ____.

• A) 15
• B) 9.5
• C) 4
• D) 1

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Definitions:

Semilunar Valves

Heart valves located at the bases of the aorta and the pulmonary artery that prevent backflow of blood into the ventricles during systole by opening to allow blood ejection and closing during diastole.

Streptokinase

An enzyme used to dissolve blood clots in the treatment of heart attack and pulmonary embolism.

Tissue Plasminogen Activator

An enzyme that helps dissolve blood clots by converting plasminogen into plasmin, used in the treatment of stroke and other clotting conditions.

Foramen Ovale

An opening in the heart's atrial septum present in the fetus, which normally closes soon after birth.