The cost curve, which is inversely S-shaped is:

Why is total variable cost curve inverse S-shaped?

The two inversely S-shaped short run cost curve are parallel to each other and maintain a constant distance of ₹ 50 . What cost is indicated by ₹ 50 ? Also , Identify the two inversely S-shaped short run cost curves.

"Growth curve is always 'S' shaped or sigmoid" Justify.