If the Fed tries to lower the unemployment rate so it is lower than the natural unemployment​ rate, in the long run the SRPC​ ________ and the LRPC​ ________.

A.shifts​ downward; does not change
B.does not​ change; shifts rightward
C.shifts​ upward; does not change
D.shifts​ downward; shifts leftward
E.does not​ change; does not change

answer:

C.shifts​ upward; does not change