Chapter 15 Closing Case: Dugan Corporation’s Capital Budgeting (p.479). Capital Structure: Limits to the Use of Debt (Excel). Answer each numbered question with a minimum of a paragraph and a maximum of three paragraphs. Include demonstration of Excel equation, analysis, or chart to supplement your analysis. Ross, Stephen A. Corporate Finance: Core Principles and Applications. Available from: MBS Direct, (6th Edition). McGraw-Hill Higher Education (US), 2020.