2. Given the accelerationist Phillips curve $\triangle\pi = -0.7 (U - 5) + \rho$, suppose that inflation has increased from 8 percent to 10 percent. If the unemployment rate is 4 percent, then the price shock is _________.
(A) 2.7 percent
(B) 0.6 percent
(C) 1.3 percent
(D) 1 percent
E) none of the above

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