When comparing short-run average total cost with long-run average total cost at a given level of output, Select one: a. short-run average total cost is typically the same as long-run average total cost. b. short-run average total cost is typically below long-run average total cost. c. the relationship between short-run and long-run average total cost follows no clear pattern. d. ashort-run average total cost is typically above long-run average total cost.