What will make a change in supply cause a small change in price?

Which of the following would NOT allow society to move to point "h" in the above figure?

A) an improvement in technology B) more efficient use of current resources C) an increase in quantity of labor D) an increase in quantity of capital

As the interest rate rises, the present value of a given perpetual stream of income

A) increases. B) decreases. C) does not change. D) approaches infinity.