How can the long-run average cost (LRAC) curve be derived from the short-run average total cost (SRATC) curve? Describe economies of scale and diseconomies of scale. What are the determinants of economies of scale and diseconomies of scale, respectively?

Economies of Scale for Strong Competitive Advantage

Prior to beginning work on this discussion forum, read David Trainer’s Sysco Feasts on Economies of Scale for Strong Competitive Advantage  as well as Chapter 8 of the textbook.

Based on this information, respond to the following:

How can the long-run average cost (LRAC) curve be derived from the short-run average total cost (SRATC) curve?
Describe economies of scale and diseconomies of scale.
What are the determinants of economies of scale and diseconomies of scale, respectively?
Using a real-world company (other than Sysco), explain the causes of economies of scale for your company.
Explain how economies of scale help your company compete in its industry.