Refer to the Data Provided in Table 10 -Refer to Table 10

Refer to the data provided in Table 10.2 below to answer the following question(s) .
Table 10.2 $$\begin{array} { c c c } \begin{array} { c } \text { Total Labor Units } \\\text { (employees) }\end{array} & \begin{array} { c } \text { Total Product } \\\text { (frames per day) }\end{array} & \begin{array} { c } \text { Price per } \\\text { Frame }\end{array} \\\hline 0 & 0 & \$ 10 \\1 & 10 & \$ 10 \\2 & 30 & \$ 10 \\3 & 55 & \$ 10 \\4 & 70 & \$ 10 \\5 & 82 & \$ 10\end{array}$$
-Refer to Table 10.2. If workers are paid $150 per day, then the firm is profit maximizing when it hires ________ workers.

A) two
B) three
C) four
D) five