One reason that the aggregate demand curve has a negative slope is because
A) firms supply more when prices rise.
B) people buy more foreign goods when the domestic price level rises.
C) the amount of money in the economy increases when the price level rises.
D) firms supply less when prices rise.
Question 2
The marginal benefit is the
A) additional gain from one more unit of an activity.
B) additional cost from one more unit of an activity.
C) loss of the highest-valued alternative.
D) additional gain from one more unit of an activity minus the additional cost from one more unit of the activity.
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Gram Postive & Gram Negative Bacteria
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