Think about cost structures associated with each of the following and decide which is most likely not to be a natural monopoly

Suppose that the federal funds rate and the discount rate are equal initially at 3%. If the discount rate is then lowered to 2.5%, to whom will a bank be more likely to go for a loan: the Federal Reserve or another bank? Explain your answer in detail, and be sure to mention the impact that this situation would have on the money supply

In the United States since 1900, life expectancy at birth has ________ and the death rate has ________

A) increased; increased B) increased; decreased C) decreased; increased D) decreased; decreased