Final answer:
The marginal cost curve intersects the average total cost and average variable cost curves at their minimum points. The AVC curve lies below the ATC curve, and both are typically U-shaped. The MC curve is upward-sloping and indicates the cost of producing an additional unit.
Step-by-step explanation:
In the context of cost schedules at Rajiv's Juice Bar, we observe specific behaviors of cost curves in a graph. The marginal cost (MC) curve is upward-sloping and intersects both the average total cost (ATC) and average variable cost (AVC) curves at their respective minimum points.
This is indicative of the fact that when MC is below ATC or AVC, producing an additional unit will bring the average costs down, meaning the curves are decreasing at this point. Once MC intersects ATC or AVC, any additional unit produced will cause the average costs to increase, hence the ATC and AVC curves begin to slope upwards after the intersection.
Regarding the other cost curves, the average variable cost curve is typically U-shaped and lies below the ATC curve, reflecting variable costs that do not include fixed costs. The average total cost curve also has a U-shape, including both variable and fixed costs, meaning it starts above the AVC curve.