Use the following data to answer the next question. The disposable income (DI) and consumption (C) schedules are for a private, closed economy (an economy with no government and no international trade). All figures are in billions of dollars.Disposable IncomeConsumption$300$310350340400370450400500430If disposable income is $550, we would expect consumption to be

Which of the following is an example of natural monopoly?

A) cellular phone companies in a large city B) local water utility companies C) major league sports franchises in the largest cities D) All of the above are natural monopolies.

A decline in the exchange rate could have been caused by which of these factors?

A. An increase in the domestic real interest rate B. An increase in foreign output (income) C. A decline in domestic output (income) D. A decline in the world demand for domestic goods