Step 1: Understanding moisture content for rice storage.
For safe storage of both raw and parboiled rice, the maximum allowable moisture content is around 11-12% on a wet basis. Higher moisture content can lead to spoilage, mold growth, and loss of quality.
Step 2: Conclusion.
Thus, the correct answer is 11 and 12%.
Final Answer:
\[
\boxed{1. 11 and 12}
\]