I need help with Parts A-D:

Part A. Using the Internet, can you review 3 articles on Profit-Cost-Volume relationship and summarize the articles.

Part B. As a manager, why is Profit-cost-volume important in planning? Support your response with numerical example(s)

Part C. Using the Internet, can you review 3 articles on Variable Costing and summarize the articles

Part D. As a manager, discuss how you would use Variable Costing in managerial decisions. Support your response with numerical example(s).

PLEASE READ BELOW :

***Can you please include the 3 article references on Profit cost volume relationship and 3 article references on Variable Costing. Thank you!****