$$
\begin{array}{l}
\text { Draw the structure of each transition state in the three-step mechanism for the reaction, }\\
\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow\left(\mathrm{CH}_{3}\right)_{2} \mathrm{C}=\mathrm{CH}_{2}+\mathrm{H}_{2} \mathrm{O}
\end{array}
$$