The Figure Given Below Shows the Revenue and Cost Curves

Multiple Choice

The figure given below shows the revenue and cost curves of a firm. MC represents the marginal cost curve, AC the average cost curve, MR the marginal revenue curve, and AR the average revenue curve.Figure 9.4

-Which among the following does not determine the shape of the demand curve for a good under different market structures?

A) Number of substitutes in the market
B) Importance of the good in a consumer's budget
C) Cost structure of the firm
D) Price-elasticity of demand
E) The length of time being considered