Table 43
-Refer to Table 4

$\begin{array}{c|cc} & \begin{array}{c}\text { Quantity of } \\\text { Computer }\end{array} & \begin{array}{c}\text { Price of } \\\text { Computers }\end{array} \\\hline \text { Old } & 200 & 800 \\\text { New } & 400 & 600\end{array}$
Table 4.3
-Refer to Table 4.3. After calculating the price elasticity of demand for computers, we can say the demand for computers is:

A) upward sloping.
B) inelastic.
C) unitary elastic.
D) elastic.