Use the Figure Below to Answer the Following Question

Multiple Choice

Use the figure below to answer the following question. Figure 10.3.1
-Refer to Figure 10.3.1.Which one of the following statements is false?

A) The total fixed cost curve A.
B) Total variable cost and total cost both increase with output.
C) The vertical gap between curves B and C is equal to total variable cost.
D) Marginal cost is equal to the slope of curve C.
E) Total fixed cost is constant.