What do the short run marginal cost (SMC), average variable cost and short run average cost (SAC) curves look like ?

What do the short run marginal cost (SMC), average variable cost and s

1.	What do the short run marginal cost (SMC), average variable cost and short run average cost (SAC) curves look like ?
Answer» SOLUTION :The CURVES of short-run marginal COST, AVERAGE variable cost and average cost are U-shaped because of Law of variable proportion.