The Marginal Cost When Output = 10 Is Equal to

Multiple Choice

The marginal cost when output = 10 is equal to

A) the slope of a line drawn tangent to the total cost curve where output = 10.
B) the total cost of 10 units of output divided by 10.
C) the average cost of 10 units of output.
D) the slope of a ray drawn from the origin to the point on the total cost curve where output = 10.