what are the answers to the Bottom two questions in this picture?

CBC CAC CPC \begin{tabular}{|r|r|r|r|r|r|r|r|} \hline & & Week & & & & & \\ \hline Task & & 1 & 2 & 3 & 4 & 5 & \\ \hline 1 & & 25% & 83% & 100% & & & \\ \hline 2 & & & 12% & 28% & 37% & 51% & 19% \\ \hline 3 & & & & & & 12% & 68% \\ \hline 4 & & & & & & \\ \hline \end{tabular} CEV $104,969