Which of the following is true if marginal cost of a firm is increasing, but is less than

Which of the following is true if marginal cost of a firm is increasing, but is less than

Which of the following is true if marginal cost of a firm is increasing, but is less than the average cost?

[A]Average fixed cost is increasing
[B]Average cost is decreasing
[C]Average cost is increasing
[D]Average variable cost is increasing