16.6 Using Excel to Make Company Investment Decisions

3 min readjune 18, 2024

Investment decision analysis in Excel is a powerful tool for evaluating financial opportunities. By calculating and , you can assess project profitability and make informed choices. Excel's built-in functions streamline these complex calculations.

NPV profiles offer a visual way to compare investments across different discount rates. By graphing NPV against various rates, you can easily spot crossover points and assess each project's sensitivity. This approach, combined with other , provides a comprehensive toolkit for decisions.

Investment Decision Analysis in Excel

Net present value calculation

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  • NPV sums the present values of all cash inflows and outflows for an investment
    • Positive NPV indicates a profitable investment (project adds value to the firm)
    • Negative NPV suggests an unprofitable investment (project destroys value)
  • Calculating NPV in Excel:
    • Input initial investment (cash outflow) and future cash inflows
    • Determine appropriate based on project risk and company's
    • Apply the
      NPV
      function:
      =NPV(discount_rate, cash_flows)
      • discount_rate
        : rate used to discount future cash flows to present value (company's cost of capital or )
      • cash_flows
        : range of cells containing future cash inflows
    • Add initial investment (cash outflow) to the
      NPV
      function result to obtain final NPV
  • Example: Project with an initial investment of 100,000andcashinflowsof100,000 and cash inflows of 50,000, 60,000,and60,000, and 70,000 over the next three years, discounted at 10%, has an NPV of $43,426.39
  • is crucial for accurate NPV calculations

Internal rate of return computation

  • IRR is the that makes a project's NPV equal to zero
    • IRR represents the expected annual rate of return for the investment
    • Higher IRR indicates a more attractive investment
  • Calculating IRR in Excel:
    • Input initial investment (cash outflow) and future cash inflows in a cell range
    • Use the
      IRR
      function:
      =IRR(cash_flows)
      • cash_flows
        : range of cells containing initial investment and future cash inflows
    • Compare calculated IRR to the company's or
      • If IRR > required rate of return, the project is acceptable
      • If IRR < required rate of return, the project should be rejected
  • Example: Project with an initial investment of 50,000andcashinflowsof50,000 and cash inflows of 20,000, 25,000,and25,000, and 30,000 over the next three years has an IRR of 28.65%
  • can be used alongside IRR for a more comprehensive analysis

NPV profiles for investment comparison

  • : graph showing the relationship between a project's NPV and the discount rate
    • Visualizes NPV sensitivity to changes in the discount rate
    • Helps compare multiple investment opportunities
  • Creating an NPV profile in Excel:
    1. Calculate project NPV for a range of discount rates
      • Use
        NPV
        function with different discount rates in a column
      • Add initial investment to each NPV result
    2. Create a line chart with discount rates on the x-axis and corresponding NPVs on the y-axis
  • Analyzing NPV profiles:
    • The point where the NPV profile crosses the x-axis represents the project's IRR
    • Steeper NPV profile indicates higher sensitivity to changes in the discount rate
    • When comparing investments, the project with the highest NPV at the company's cost of capital is generally most attractive
  • Example: Comparing two projects with different NPV profiles
    • Project A has a higher NPV at the company's cost of capital (12%)
    • Project B has a higher IRR but is more sensitive to changes in the discount rate
    • Based on the NPV profiles, Project A may be the better investment choice
  • can be incorporated into NPV profiles for more robust decision-making

Excel Financial Functions and Capital Budgeting

  • Excel provides various financial functions for capital budgeting decisions
    • These functions incorporate the concept
  • Key Excel functions for investment analysis:
    • PV
      : Calculates the present value of future cash flows
    • FV
      : Determines the future value of current investments
    • PMT
      : Computes periodic payment amounts for loans or investments
  • Capital budgeting techniques in Excel:
    • NPV and IRR calculations (as discussed above)
    • Profitability Index: Ratio of present value of future cash flows to initial investment
    • Modified Internal Rate of Return (MIRR): Addresses reinvestment rate assumptions in IRR

Key Terms to Review (23)

Capital Budgeting: Capital budgeting is the process of evaluating and selecting long-term investments or projects that are expected to generate returns for a business over multiple years. It involves analyzing the costs, risks, and potential benefits of various investment options to determine the most advantageous use of a company's limited financial resources.
Cash flow: Cash flow is the net amount of cash being transferred into and out of a business. It represents the company's operating, investing, and financing activities over a specific period.
Cash Flow: Cash flow refers to the net amount of cash and cash-equivalents moving in and out of a business or an individual's possession over a given period of time. It is a crucial measure of financial health and performance, as it reflects the ability to generate and manage the inflow and outflow of cash necessary for operations, investments, and financing activities.
Cash Flow Forecasting: Cash flow forecasting is the process of estimating the amount of money that will be flowing in and out of a business over a specific period of time. It is a crucial financial planning tool that helps organizations manage their liquidity, make informed investment decisions, and ensure they have sufficient funds to meet their financial obligations.
Cost of Capital: The cost of capital refers to the required rate of return that a company must earn on its investments to maintain the value of its stock and attract capital from investors. It represents the minimum acceptable rate of return for a company's investment projects, taking into account the risks associated with the company's capital structure and the opportunity cost of the funds invested.
Discount rate: The discount rate is the interest rate used to determine the present value of future cash flows. It reflects the time value of money and risk associated with those future cash flows.
Discount Rate: The discount rate is a key concept in finance that represents the interest rate used to determine the present value of future cash flows. It is a crucial factor in various financial analyses and decision-making processes, as it reflects the time value of money and the risk associated with the cash flows being evaluated.
Discounted payback period: The discounted payback period is the time it takes for an investment to generate cash flows sufficient to recover its initial cost, accounting for the time value of money. It provides a more accurate assessment of an investment's profitability compared to the traditional payback period by discounting future cash flows.
Excel Financial Functions: Excel financial functions are a set of predefined formulas within the Microsoft Excel spreadsheet software that allow users to perform various financial calculations and analyses. These functions are designed to streamline the process of making financial decisions and evaluating investment opportunities.
Hurdle Rate: The hurdle rate is the minimum rate of return required for a company to undertake an investment project. It serves as a benchmark for evaluating the viability and profitability of potential investments, ensuring that the company's resources are allocated to projects that meet or exceed the desired level of financial performance.
Internal rate of return (IRR): Internal Rate of Return (IRR) is the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero. It is used to evaluate the profitability of potential investments.
Net present value (NPV): Net Present Value (NPV) measures the profitability of an investment by calculating the difference between the present value of cash inflows and outflows over a period. It is used to assess the attractiveness of a project or investment.
Net Present Value (NPV): Net Present Value (NPV) is a financial analysis technique used to determine the current value of future cash flows. It considers the time value of money, allowing for the comparison of investment options with different cash flow patterns and timings. NPV is a crucial metric in making informed decisions about capital budgeting and project selection.
NPV Profile: The NPV (Net Present Value) Profile is a graphical representation that depicts the relationship between the NPV of a project and the discount rate used in the NPV calculation. It provides a visual tool for analyzing and comparing the financial viability of different investment projects.
Payback Period: The payback period is a metric used to evaluate the time it takes for an investment or project to recoup its initial cost through the generated cash flows or savings. It is a commonly used method to assess the viability and risk of a potential investment by determining how quickly the investment can be recovered.
Required rate of return: Required rate of return is the minimum annual percentage earned by an investment that will induce individuals or companies to put money into a particular security or project. It accounts for the risk-free rate plus a risk premium.
Required Rate of Return: The required rate of return is the minimum rate of return an investor demands in order to make an investment. It represents the opportunity cost of the capital being invested and is a crucial factor in various financial decisions and analyses.
Scenario analysis: Scenario analysis is a process of evaluating possible future events by considering alternative plausible scenarios. It helps in understanding the impact of different variables on financial outcomes.
Scenario Analysis: Scenario analysis is a strategic planning technique that involves the examination of potential future events or outcomes by considering alternative possible scenarios. It is a tool used to assess the impact of various factors on a company's performance and decision-making process.
Sensitivity analysis: Sensitivity analysis examines how the variation in input variables affects outcomes in a financial model. It helps identify which variables have the most significant impact on cash flow and growth projections.
Sensitivity Analysis: Sensitivity analysis is a technique used to determine how the output or outcome of a financial model or decision-making process is affected by changes in the values of the input variables or assumptions. It allows decision-makers to understand the impact of uncertainty and identify the key drivers that influence the final result.
Time Value of Money: The time value of money is a fundamental concept in finance that recognizes the difference in value between a sum of money available today and the same sum available at a future point in time. It is based on the principle that money available at the present time is worth more than the identical sum in the future due to its potential to earn interest or be invested to generate a return.
Time value of money (TVM): Time Value of Money (TVM) is the concept that money available now is worth more than the same amount in the future due to its potential earning capacity. This principle underlines why receiving money today is preferable to receiving it later.
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