Increases in the price of imported oil in 2011 led to a leftward shift of the aggregate supply curve

Which of the following is not a possible source of last-minute reserves for a private bank?

A. Selling bonds. B. Borrowing reserves from other banks. C. Raising the discount rate. D. Borrowing reserves from the Federal Reserve System.

Marginal utility is the:

A) sensitivity of consumer purchases of a good to changes in the price of that good. B) change in total utility obtained by consuming one more unit of a good. C) change in total utility obtained by consuming another unit of a good divided by the change in the price of that good. D) total utility associated with the consumption of a certain number of units of a good divided by the number of units consumed.