Profitability Analysis Problem Solutions

I need clear, well-explained solutions to textbook problems 4.15, 4.18, 4.22 and 4.24 from section 4-6b (Chapter 4: Profitability and Other Analysis). All calculations have to be shown step-by-step and any commentary or interpretation can appear as brief bullet points directly beneath each answer. Please prepare the final submission as a single Word document and follow the formatting guidelines I will provide once we start; feel free to crunch numbers in Excel or another tool, but make sure every figure and formula needed to follow your work is visible in the Word file itself. Deliverables • A Word document containing: – Complete calculations for each problem, neatly presented – Concise bullet-point analysis or observations after every solution I’ll review the file for accuracy, clarity and adherence to the guidelines before signing off.