Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions.

Figure 11.4.1
-Refer to Figure 11.4.1, which illustrates the total product curves for four different plant sizes. One of the fundamental technological facts reflected in the shape of each of the total product curves is the

A) price of the inputs.
B) price of the output.
C) law of diminishing marginal returns.
D) law of economies of scale.
E) fact that capital and labour cannot be substituted for each other.