According to the table below, at what level of output is marginal cost minimized?QFCVC01,0000201,000350501,000700901,0001,0501251,0001,4001451,0001,7501601,0002,100

Samantha decides to withdraw $10,000 from her savings account and invest it all in the stock market. Her total economic costs

A) equal $10,000. B) are independent of the interest she enjoyed in her savings account. C) are affected by the interest she enjoyed in her savings account. D) are determined solely by the commission she is charged for the purchase of stock.

Which of the following basic economic concepts most clearly provides the foundation for the long-run aggregate supply curve?

a. the law of demand b. the production possibilities curve c. the law of comparative advantage d. the law of diminishing marginal utility