A) households demand labor. B) firms demand labor. C) firms supply labor. D) wage are determined only by firms alone. E) None of the above answers is correct. A) households demand labor. B) firms demand labor. C) firms supply labor. D) wage are determined only by firms alone. E) None of the above answers is correct.

\[\begin{array} { | c | c | c | } \hline & \begin{array} { c } \text { Quantity of } \\ \text { Labor } \end{array} & \begin{array} { c } \text { Total Product } \\ \text { (gymnasts trained per hour) } \end{array} \\ \hline \text { A } & 0 & \\ \hline \text { B } & 1 & 7 \\ \hline \text { C } & 2 & 13 \\ \hline \text { D } & 3 & 17 \\ \hline \text { E } & 4 & 19 \\ \hline \text { F } & 5 & 20 \\ \hline \end{array}\] -The table above shows information for Jen's Gymnastics.Jen hires coaches and charges $20 per hour for gymnastics lessons.Using the information in the table,which of the following shows the correct demand for labor for Jen's Gymnastics?

A) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 140 \\ \hline 2 & \$ 120 \\ \hline 3 & \$ 80 \\ \hline 4 & \$ 40 \\ \hline 5 & \$ 20 \\ \hline \end{array}$ B) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & 7 \\ \hline 2 & 6 \\ \hline 3 & 4 \\ \hline 4 & 2 \\ \hline 5 & 1 \\ \hline \end{array}$ C) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & 7 \\ \hline 2 & 13 \\ \hline 3 & 17 \\ \hline 4 & 19 \\ \hline 5 & 20 \\ \hline \end{array}$ D) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 140 \\ \hline 2 & \$ 260 \\ \hline 3 & \$ 340 \\ \hline 4 & \$ 380 \\ \hline 5 & \$ 400 \\ \hline \end{array}$ E) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 0 \\ \hline 2 & \$ 20 \\ \hline 3 & \$ 40 \\ \hline 4 & \$ 60 \\ \hline 5 & \$ 80 \\ \hline \end{array}$ A) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 140 \\ \hline 2 & \$ 120 \\ \hline 3 & \$ 80 \\ \hline 4 & \$ 40 \\ \hline 5 & \$ 20 \\ \hline \end{array}$ B) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & 7 \\ \hline 2 & 6 \\ \hline 3 & 4 \\ \hline 4 & 2 \\ \hline 5 & 1 \\ \hline \end{array}$ C) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & 7 \\ \hline 2 & 13 \\ \hline 3 & 17 \\ \hline 4 & 19 \\ \hline 5 & 20 \\ \hline \end{array}$ D) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 140 \\ \hline 2 & \$ 260 \\ \hline 3 & \$ 340 \\ \hline 4 & \$ 380 \\ \hline 5 & \$ 400 \\ \hline \end{array}$ E) $\begin{array} { | c | c | } \hline \text { Quantity of Labor } & \text { Value of Marginal Product } \\ \hline 1 & \$ 0 \\ \hline 2 & \$ 20 \\ \hline 3 & \$ 40 \\ \hline 4 & \$ 60 \\ \hline 5 & \$ 80 \\ \hline \end{array}$