Arequinet: March 30 \begin{tabular}{|c|c|c|c|c|} \hline I & & Make Bottles & Buy Bottles: & \begin{tabular}{l} Differential Effect \\ on income \end{tabular} \\ \hline 2 & & (Nienacue ) & (hitarnative 2) & (Aremative 4 \\ \hline 3 & Unit costs: & & & \\ \hline 4 & & & & \\ \hline 3 & & & & \\ \hline 6 & & & & \\ \hline 7 & & & & \\ \hline 3 & & & & \\ \hline \end{tabular}