Computer Science homework help

Planning and Managerial Application
A. Using the Internet, review at least 3 articles on the Profit-Cost-Volume relationship. Summary (200 words or more) the articles in your own words.
B. As a manager, why is Profit-cost-volume important in planning? Support your response with numerical example(s)
C. Using the Internet, review at least 3 articles on Variable Costing. Summary (200 words or more) the articles in your own words.
D. As a manager, discuss how you would use Variable Costing in managerial decisions Support your response with numerical example(s)