Given below are two statements
Statement I : Hyperconjugation is a permanent effect.
Statement II : Hyperconjugation in ethyl cation $\left(\mathrm{CH}_3-\stackrel{+}{\mathrm{C}} \mathrm{H}_2\right)$ involves the overlapping of $\mathrm{C}_{s \sigma^2}-\mathrm{H}_{4 s}$ bond with empty 2 p orbital of other carbon.
Choose the correct option.