The Accompanying Table Shows the Supply and Demand Schedules for Workers

Multiple Choice

The accompanying table shows the supply and demand schedules for workers in the country of Hovian. The supply schedule indicates that the labor supply curve is: $\begin{array}{ccc}\text { Wage } & \begin{array}{l}\text { Quantity of } \\\text { Woukers Demanded }\end{array} & \begin{array}{l}\text { Quantity of } \\\text { Workers Supplied }\end{array} \\\$ 10 & 150 & 75 \\\$ 20 & 100 & 100 \\\$ 30 & 75 & 125 \\\$ 40 & 60 & 135 \\\$ 50 & 40 & 125\end{array}$

A) backward bending.
B) upward-sloping.
C) downward-sloping.
D) vertical.
E) horizontal.