A monopolist's profit per unit is shown by the difference between price and marginal cost per unit

In June 2017, the Federal Open Market Committee raised the target for the federal funds rate to a range of 1.00 to 1.25 percent. To keep the federal funds rate in this target band, the Fed set the interest rate it pays on reverse repurchase agreements to

A) 1.00 percent. B) 1.125 percent, the mid-point of the target range. C) 1.25 percent. D) 2.25 percent.

Elaine values the utility of her first cup of coffee at $1; a second cup, $.75; and a third cup, $.50. If Elaine drinks three cups of coffee for breakfast, her marginal utility is equal to

A. $.50, the value of her last cup of coffee. B. $1.00, the value of her first cup of coffee. C. marginal utility. D. $2.25. E. $1.50.