Assertion (A): Long-Run Philips Curve Is a Vertical Line at the NAIRU

Multiple Choice

Assertion (A) : Long-run Philips curve is a vertical line at the NAIRU Reason (R) : Non-accelerating inflation raise of unemployment, more or less, stands accepted

A) both (a) and (r) are false.
B) both (a) and (r) are true, but (r) is not the correct reason.
C) both (a) and (r) are true, and (r) is the explanation.
D) (a) is true, (r) is false.