In the above figure, Jack's opportunity cost of producing 1 gallon of bottled water is ________ of soda

Refer to the diagram. The move of the economy from c to e on short-run Phillips Curve PC 2 would be explained by an:

A.  increase in aggregate demand in the economy.
B.  increase in aggregate supply in the economy.
C.  actual rate of inflation that is less than the expected rate.
D.  actual rate of inflation that exceeds the expected rate.

Buyers and sellers in a factor market might be negotiating an exchange of

A. services provided to final consumers. B. either goods for use by final consumers or services provided to final consumers. C. goods for use by final consumers. D. labor or financial capital.