Southwest Airlines operates five flights daily between Chicago and Phoenix during the winter. One flight leaves Phoenix at 12:10 p. m. The plane, a Boeing 737, has a capacity of 120 passengers. During the past month, the flight has averaged 24 passengers, a load factor of only 20 percent. Once the plane takes off, the empty seats generate no revenue for the airline for that flight. What unique aspect of services does this situation describe

He interest rate effect is the change in real gdp caused by the federal reserve adjusting target interest rates. is the change in consumer and investment spending due to changes in interest rates resulting from changes in the aggregate price level. is the change in exports and imports, resulting from changes in the interest rate caused by changes in the aggregate price level. is the change in investment spending and government purchases caused by changes in money demand. is the change in interest rates, caused by changes to government purchases.