Assertion (A): Long-run Philips curve is a vertical line at the NAIRUReason (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.