(Table) the Table Shows the Demand Schedules for Three Individuals

(Table) The table shows the demand schedules for three individuals. Which table would be the CORRECT market demand schedule? $$\begin{array} { | r | r | r | r | } \hline \text { Price } & \text { Person 1 } & \text { Person 2 } & \text { Person 3 } \\\hline \mathbf { \$ 0 . 0 0 } & 9 & 15 & 10 \\\hline \mathbf { \$ 1 0 . 0 0 } & 6 & 11 & 8 \\\hline \mathbf { \$ 2 0 . 0 0 } & 5 & 10 & 6 \\\hline \mathbf { \$ 3 0 . 0 0 } & 3 & 9 & 4 \\\hline \mathbf { \$ 4 0 . 0 0 } & 0 & 6 & 2 \\\hline \mathbf { \$ 5 0 . 0 0 } & 0 & 4 & 0 \\\hline \mathbf { \$ 6 0 . 0 0 } & 0 & 2 & 0 \\\hline\end{array}$$

A)
$$\begin{array} { | r | r | } \hline \text { Price } & \text { Quantity } \\\hline \$ 0.00 & 15 \\\hline \$ 10.00 & 11 \\\hline \$ 20.00 & 10 \\\hline \$ 30.00 & 9 \\\hline \$ 40.00 & 6 \\\hline \$ 50.00 & 4 \\\hline \$ 60.00 & 2 \\\hline\end{array}$$
B)
$$\begin{array} { | r | r | } \hline \text { Price } & \text { Quantity } \\\hline \$ 0.00 & 9 \\\hline \$ 10.00 & 6 \\\hline \$ 20.00 & 5 \\\hline \$ 30.00 & 3 \\\hline \$ 40.00 & 0 \\\hline \$ 50.00 & 0 \\\hline \$ 60.00 & 0 \\\hline\end{array}$$
C)
$$\begin{array} { | r | r | } \hline \text { Price } & \text { Quantity } \\\hline \$ 0.00 & 34 \\\hline \$ 10.00 & 25 \\\hline \$ 20.00 & 21 \\\hline \$ 30.00 & 16 \\\hline \$ 40.00 & 8 \\\hline \$ 50.00 & 4 \\\hline \$ 60.00 & 2 \\\hline\end{array}$$
D)
$$\begin{array} { | r | r | } \hline \text { Price } & \text { Quantity } \\\hline \$ 0.00 & 10 \\\hline \$ 10.00 & 8 \\\hline \$ 20.00 & 6 \\\hline \$ 30.00 & 4 \\\hline \$ 40.00 & 2 \\\hline \$ 50.00 & 0 \\\hline \$ 60.00 & 0 \\\hline\end{array}$$