Answer:
Option C is correct one.
Average total cost is flatter than the short-run average total cost.
Explanation:
In a long run there is no distinction between normal absolute expense and normal variable expense. The distinction between the normal expense and normal variable expense is the normal fix cost which diminishes as amount increments. Since quite a while ago run ATC can be biggest equivalent to short run normal cost bend. Therefore ATC is compliment than the short run normal all out expense.