Prior to beginning work on this discussion forum, read Chapter 13, 16 and 21 in your textbook Horngren's Cost Accounting: A Managerial Emphasis (17th ed.). Write: Ensure your response addressing the following question is more than 200 words and include references where from the APA: Formatting Your References ListLinks to an external site. wherever appropriate. Managers in various production departments in a manufacturing operation often debate the allocation of support costs. Distinguish, in your own words, between the single-rate and dual-rate methods of support-department allocation. Explain a unique scenario in which each method would be advantageous. Discuss some of the complexities that arise when allocating costs for multiple support departments