Answer the Question on the Basis of the Information Given

Multiple Choice

Answer the question on the basis of the information given in the following table: $\begin{array}{c}\begin{array}{c}\\Employment\\\hline0\\1 \\2 \\3 \\4 \\5 \\6\end{array}\begin{array}{c}Total\\Product\\\hline0\\12\\22\\30\\36\\40\\42\\\end{array}\begin{array}{c}\text { Product }\\\text { Price } \\\hline \$ 3 \\3 \\3 \\3 \\3 \\3 \\3\end{array}\end{array}$ Refer to the given data.If the firm is hiring workers under purely competitive conditions at a wage rate of $10,it will employ:

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