(Table) Based on the table, what is the value of B?
$\begin{array}{|c|c|c|c|}
\hline \text { Units of Labor } & \begin{array}{c}
\text { Quantity of } \
\text { Output }
\end{array} & \text { Product Price } & \begin{array}{c}
\text { Marginal } \
\text { Revenue Product }
\end{array} \
\hline 1 & 20 & \$ 10 & \
\hline 2 & 28 & 10 & \text { A } \
\hline 3 & 35 & 10 & \text { B } \
\hline 4 & 41 & 10 & \text { C } \
\hline 5 & \text { D } & 10 & \$ 30 \
\hline 6 & 35 & 10 & \
\hline
\end{array}$

Question

Quizplus · Accepted Answer

The marginal revenue product (MRP) is calculated by multiplying the change in output by the product price. From 2 to 3 units of labor, the output increases from 28 to 35, a change of 7 units. With a product price of $10, the MRP is 7 * $10 = $70.

(Table) Based on the Table, What Is the Value of B