\eqalign{ & {\text{The simplification of}} \cr & \frac{1}{8} + \frac{1}{{{8^2}}} + \frac{1}{{{8^3}}} + \frac{1}{{{8^4}}} + \frac{1}{{{8^5}}} \cr & {\text{upto three place of decimals yields = ?}} \cr} $$

• A. 0.143
• B. 0.163
• C. 0.215
• D. 0.715