Use the following figure to answer the next question. A graph depicts variation of dollars on vertical axis with Q on horizontal axis.A u-shaped curve labeled ATC is drawn to the right of another u-shaped curve labeled AVC. Third narrow u-shaped curve, near to origin is labeled MC and intersects AVC and ATC at points B and C, respectively. MC has data points labeled as A (at the trough of MC), B and C (intersection points), and D (to the right of AVC and ATC curves). At which point does marginal cost (MC) equal average variable cost (AVC)