How do you calculate WACC?


 Theme: Cost of Capital  Role: Investment Banker  Function: Finance

  Interview Question for Investment Banker:  See sample answers, motivations & red flags for this common interview question. About Investment Banker: Advises clients on financial investments and deals. This role falls within the Finance function of a firm. See other interview questions & further information for this role here

 Sample Answer 


  Example response for question delving into Cost of Capital with the key points that need to be covered in an effective response. Customize this to your own experience with concrete examples and evidence

  •  Definition of WACC: WACC stands for Weighted Average Cost of Capital. It is a financial metric used to determine the average rate of return a company needs to earn on its investments to satisfy its investors
  •  Components of WACC: WACC is calculated by taking into account the weighted average of the cost of equity, cost of debt, and the cost of preferred stock, if applicable
  •  Weighting Factors: Each component of WACC is weighted based on its proportion in the company's capital structure. The weights are typically determined by the market value of each component
  •  Cost of Equity: The cost of equity represents the return required by the company's shareholders. It is calculated using the Capital Asset Pricing Model (CAPM) or other similar models
  •  Cost of Debt: The cost of debt is the interest rate the company pays on its outstanding debt. It can be calculated by dividing the interest expense by the average outstanding debt
  •  Tax Rate: The tax rate is an important factor in calculating the cost of debt. It is used to adjust the interest expense by the tax savings resulting from the deductibility of interest payments
  •  Cost of Preferred Stock: If the company has preferred stock, its cost is calculated as the dividend rate divided by the market price of the preferred stock
  •  Weighted Average: Once the cost of each component is determined, they are multiplied by their respective weights and then summed up to calculate the weighted average cost of capital
  •  Interpretation: A lower WACC indicates a lower cost of capital for the company, making it more attractive for investment. It is used as a discount rate for evaluating investment projects and determining the company's overall financial health

 Underlying Motivations 


  What the Interviewer is trying to find out about you and your experiences through this question

  •  Technical Knowledge: Assessing my understanding of financial concepts and calculations
  •  Analytical Skills: Evaluating my ability to analyze and interpret financial data
  •  Problem-solving Skills: Testing my capability to apply financial models and formulas to real-world scenarios
  •  Attention to Detail: Checking my accuracy in calculating and considering all relevant factors in determining WACC
  •  Communication Skills: Assessing my ability to explain complex financial concepts in a clear and concise manner

 Potential Minefields 


  How to avoid some common minefields when answering this question in order to not raise any red flags

  •  Lack of understanding: Providing an incorrect or vague explanation of WACC calculation may indicate a lack of understanding of the concept
  •  Inability to explain components: Failing to explain the different components of WACC, such as cost of equity, cost of debt, and their respective weights, may suggest a lack of knowledge or preparation
  •  Ignoring tax considerations: Neglecting to mention the tax shield effect on the cost of debt component can be a red flag, as it is an important factor in calculating WACC
  •  Not considering market values: Failing to mention the use of market values for equity and debt when calculating WACC may indicate a lack of understanding of the concept
  •  Overlooking risk factors: Not discussing the incorporation of risk factors, such as beta or credit spreads, into the WACC calculation may raise concerns about the candidate's ability to assess and manage risk