Assertion A: For eccentricity ratio exceeding $$\frac{1}{6}$$, effective thickness of masonry will get reduced.
Reason R: For eccentricity ratio exceeding $$\frac{1}{6}$$, there will be tension on one side of the member.
Select your answer according to the codes give below:

A. Both A and R is true and R is the correct explanation of A

B. Both A and R is true and R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

Answer: Option A