If a firm increases an input ( a factor of production) and thus reaps 50-unit increase in output, we might call this extra fifty:
A.) an example of rational self-interest
B.) all of the listed answers
C.) none of the listed answers
D.)a macroeconomic impact
E.) an incremental change

Leah deposited $50,000 in the bank. three years later, she borrowed $40,000 for a new truck. from this description, which is the most accurate statement?

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?

Name at least three countries neaolpeon controlled