-In a map showing short-run cost functions, one curve begins at the origin and rises as output expands. It is called the
A) the marginal cost curve.
B) the total fixed cost curve.
C) the total cost curve.
D) the total variable cost curve.

Question

-In a map showing short-run cost functions, one curve begins at the origin and rises as output expands. It is called the
A) the marginal cost curve. 
B) the total fixed cost curve. 
C) the total cost curve. 
D) the total variable cost curve.

Quizplus · Accepted Answer

The total variable cost curve starts at the origin because when output is zero, variable costs are zero. As output increases, variable costs rise, reflecting the costs that vary with production levels.

-In a Map Showing Short-Run Cost Functions, One Curve Begins