Which statement is true?
a.In the short run, marginal cost intersects average variable cost from below at the maximum of average variable cost.
b. In the short run, marginal cost intersects average total cost from below at the minimum of marginal cost.
c.In the short run, marginal cost intersects average fixed cost at the minimum of average fixed cost.
d.In the short run, marginal cost intersects average total cost at the minimum of average total cost.
e.Both c and d are true.