Corporate Finance Ross Westerfield Jaffe 6th Edition Solutions -

The (often labeled “Instructor’s Manual”) serves three core purposes:

For a self‑learner, the manual is a : it can tell you where your thinking diverged, suggest alternative methods, and reinforce the underlying concepts. 2. What’s Inside? – Chapter‑by‑Chapter Snapshot Below is a concise map of the 22 chapters (plus appendices) in the textbook, paired with the type of solution material you’ll typically find for each. This will help you anticipate where to focus your time. – Chapter‑by‑Chapter Snapshot Below is a concise map

If you’re a student, treat the manual as a coach , not a cheat sheet . Use it after you have attempted the problem yourself, and never submit a solution that’s a verbatim copy of the manual. 4. Common Problem Types & How the Manual Helps Below are a few archetypal problems you’ll encounter throughout the book, paired with the specific guidance you can expect from the manual. Use it after you have attempted the problem

| Problem Type | Typical Question | Manual Guidance | |--------------|------------------|-----------------| | | “Project X requires an initial outlay of $2 M and yields cash flows of $500 k for 6 years. The firm’s WACC is 10 %. Compute NPV and IRR; recommend acceptance.” | Solution Outline states: “Compute NPV using the WACC; compute IRR using trial‑and‑error or Excel IRR . Compare IRR to WACC. Explain why NPV is the decisive metric when cash‑flow signs change.” The full solution shows the Excel NPV formula, a table of discounted cash flows, and a graph of the NPV profile. | | CAPM Beta Estimation | “Using the historical monthly returns of XYZ Corp. and the market index, estimate beta via regression.” | The manual walks you through: (a) assembling data in Excel, (b) running the LINEST function, (c) interpreting the slope as beta, (d) checking the R‑squared for model fit. It also discusses pitfalls (thin trading, outlier removal). | | WACC Calculation with Preferred Stock | “Company A has $30 M in debt at 5 % yield, $50 M in equity with a cost of 12 %, and $20 M in preferred stock paying 8 % dividend. The corporate tax rate is 35 %. Compute WACC.” | The manual provides a clear weight calculation: each component’s market value divided by total value, then applies the tax shield only to debt. A concise table shows the intermediate steps. | | Dividend Policy – Gordon Growth | “If the expected dividend next year is $2.00, the growth rate is 5 % and the required return is 10 %, what is the stock price?” | A one‑line solution using the Gordon formula, plus a sensitivity table that varies the growth rate and required return, illustrating how price reacts. | | M&A Accretion/Dilution | “A firm with EPS $3.00 and 1 M shares acquires a target with EPS $2.00 and 500 k shares for $15 M cash. The acquirer’s tax rate is 30 %. Compute post‑deal EPS and determine if the deal is accretive.” | The manual breaks down (i) the purchase price financing mix, (ii) the net income impact after tax, (iii) the new share count, and (iv) the EPS comparison. A decision matrix summarises “Accretive if post‑deal EPS > $3.00”. | | Real Options – Decision Tree | “A project can be expanded after Year 2 at a cost of $5 M, generating additional cash flows of $3 M per year for 4 years. Should the firm invest in the option?” | Full decision‑tree diagram, probability‑weighted cash‑flow branches, and a discount‑back calculation using risk‑adjusted rates. The manual explains the “option value” vs. the traditional NPV. | where you deviated

| Action | Why It Helps | |--------|--------------| | (don’t just open the instructor’s file). | You learn the logic behind each input, and you’ll be able to modify it for new cases. | | Replace hard‑coded numbers with reference cells (e.g., link the tax rate cell to a “Assumptions” sheet). | Encourages good spreadsheet design—essential for real‑world finance work. | | Run “what‑if” scenarios using Excel’s Data → What‑If → Scenario Manager . | Shows the sensitivity of key outputs (NPV, WACC, EPS) to changes in assumptions. | | Validate with the manual’s intermediate results (e.g., the NPV table in the solution). | Guarantees you didn’t make a sign error or a mis‑aligned cash‑flow period. | 6. Pedagogical Strategies for Instructors If you are teaching a course that adopts this textbook, the manual is a treasure trove for designing active‑learning sessions.

| Step | What to Do | Why It Works | |------|------------|--------------| | | Solve the question on your own (paper + Excel). | Struggles are learning moments. | | 2. Compare the Answer Key | Look at the final numeric answer only. Does yours match? | Quick sanity check; if not, you know something is off. | | 3. Study the Outline | Read the bullet‑point solution (no full derivations). Identify the key decision points —e.g., “use NPV, not IRR, because of multiple sign changes”. | You see the strategic path without being spoon‑fed every calculation. | | 4. Dive into the Full Walkthrough | Only after you’ve identified where you went wrong, read the detailed steps. Replicate each sub‑step in your notebook/Excel. | Reinforces each algebraic move; you learn the mechanics. | | 5. Re‑do the Problem Without Looking | Close the manual, redo the problem from scratch. | Tests whether you truly internalized the method. | | 6. Extend the Problem | Change an assumption (e.g., tax rate, project horizon) and redo the analysis. | Shows you can apply the framework flexibly. | | 7. Document Your Process | Write a brief “solution journal” entry: problem statement, your approach, where you deviated, what you learned. | Creates a personal knowledge base for future exams. |