Table 56 -Refer to Table 5

Multiple Choice

Table 5.6
$$\begin{array} { | c | c | } \hline \text { Quantity Supplied } & \text { Frice } \\\hline 10 & \$ 10 \\\hline 20 & \$ 20 \\\hline 30 & \$ 30 \\\hline 40 & \$ 40 \\\hline 50 & \$ 50 \\\hline\end{array}$$
-Refer to Table 5.6.If price increases from $10 to $30,the price elasticity of supply is _____

A) 10.
B) 5.
C) 1.
D) 2.
E) 0.5.