According to the AD-AS Model,the Economy Depicted in the Diagram

According to the AD-AS model,the economy depicted in the diagram below has a(n) __________ gap at point B and is experiencing upward pressure on the price level.Other things remaining the same,the SRAS curve in this economy will shift up over time and,in the long run,its price level will be ___________ and its output level will be ___________.

A) expansionary;12;500
B) expansionary;12;450
C) expansionary;10;450
D) recessionary;12;450
E) recessionary;10;500