Identify the correct code for Assertion A and Reason R as given below:Assertion A The level of mass and elite partisan polarization in America is now quite high, as it is in most European nations.Reason R: The relatively poor are increasingly democratic and the rich republican.Codes:

• A. Both A and R are true, but R is not the correct explanation of A.
• B. Both A and R are true, but R is the correct explanation of A.
• C. A is true, but R is false.
• D. A is false, but R is true.