In the IS-LM AD-AS model of the short run closed economy with an upward-sloping SRAS curve, if a positive AS shock hits,

I. the SRAS will shift to the right in the AD-AS diagram.

II. the LM curve will endogenously shift up (to the left) in the IS-LM diagram.

Select one:

A.

Only I is true.

B.

Only II is true

C.

Both I and II are true

D.

Neither I nor II is true.