Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A : There is automatic change in the net tax revenue when level of output changes.
Reason R : Automatic stabilization moderate aggregate spending in times of boom and slow down.
In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is NOT the correct explanation of A

C

A is correct but R is not correct

D

A is not correct but R is correct