diagram: SRAS1 shifted left and is SRAS2, AD1 shifted right and is AD2
according to the graph above, starting with equilibrium point R, which of the following shifts identifies the short-run and long-run impact of a demand-pull inflation?
A: short run: R to N, long run: N to M
B: short run: R to M, long run: M to N
C: short run: R to Q, long run: Q to N
D: short run: R to M, long run: M to R
E: short run: N to M, long run: M to R