Horngren, C. T. , Sundem, G. L. , & Stratton, W. O. (2002).lntroduction to Management Accounting, (12th ed.). NJ: Prentice HalL Upon completion of the Required Readings, wite a thorough, well-planned narrative answer to the following discussion question. Rely on your Required Readings and the Lecture and Research IJpdate for specific information to answer the discussion question, but turn to your original thoughts rhen asked to apply, evaluate, analyze, or synthesize the information. Your Discussion Question responses should be both grammatically and mechanically correct and formatted in the same fashion as the questions themselves. If there is a Part your response should identi#j a Part A, etc. In addition, you must appropriately cite all resources used in your responses and document them in a bibliography using APA style. Chapter 4 covers the direct and indirect product costs in the manufacturing sector. A key concept is the relationship beveen product and period costs, as illustrated in Exhibit 4-3 (p. 137). Focus also on the presentation of inventory on the income statement of a manufacturer, as shovm in Exhibit 4-4 (p. 139). a. Chapter 4 also introduces the concepts and application underlying activity based costing (ABC), including activity analysis, resources, cost pools, and cost drivers. Chapter 4 prepares you to complete Case 4-40 (pp. 173-174). This case requires you to list the activities, resources, and cost drivers and to analyze cost