Transcript text: Suppose a firm can produce 70 units of a product, Zenia, by combining labor, land, capital, and entrepreneurial ability, as in the four alternative Techniques shown in the table below. Assume further that the firm can hire labor at $\$ 3$ per unit, land at $\$ 3$ per unit, capital at $\$ 6$ per unit, and entrepreneurship at $\$ 9$ per unit.
\begin{tabular}{|l|c|c|c|c|}
\hline \multirow{2}{*}{} & \multicolumn{4}{|c|}{ Production Techniques } \\
\cline { 2 - 5 } & A & B & C & D \\
\hline Labor & 4 & 10 & 6 & 5 \\
\hline Land & 5 & 3 & 3 & 3 \\
\hline Capital & 5 & 2 & 4 & 4 \\
\hline Entrepreneurship & 1 & 1 & 1 & 1 \\
\hline
\end{tabular}
Refer to the provided table, and suppose that the firm uses production Technique D. If each of the 70 units of Zenia that are produced sells for $\$ 1$ apiece, then how much will be the total profits of the firm from 70 units of Zenia?
Multiple Choice
$\$ 70$
$\$ 57$
$\$ 13$