(Table) the Amount of Labor and Corresponding Output Are Provided

(Table) The amount of labor and corresponding output are provided in the table. The price per unit of output is $11.50. The wage paid per day is $115. To maximize economic profit, how many people should the firm hire?
$\begin{array}{|c|c|}\hline \text { Labor } & \text { Output } \\\hline 0 & 0 \\\hline 1 & 7 \\\hline 2 & 19 \\\hline 3 & 34 \\\hline 4 & 47 \\\hline 5 & 57 \\\hline\end{array}$

A) 2 workers
B) 3 workers
C) 4 workers
D) 5 workers