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Understanding DCF with Tax Implications

Apr 3, 2025

Lecture on Discounted Cash Flow and Taxation

Introduction

  • Focus on Chapter 8 from the Open Tuition free lecture notes.
  • Discusses relevant cash flows in discounted cash flow projects.
  • Last lecture covered working capital; this lecture covers tax.

Importance of Tax in DCF

  • Tax is almost always relevant in DCF calculations for new projects.
  • Increased earnings from projects lead to increased company profits and thus increased tax liabilities.
  • Tax is a cash flow that must be incorporated into DCF analysis.

Understanding Tax Basics

  • Limited tax knowledge is needed, sufficient for the context of F9 exams.
  • Familiarity with tax rules from earlier studies (e.g., F6) is beneficial.

Example Illustration

  • Scenario: Company purchasing a new machine for $10,000, with projected net operating cash flows.
    • Year 1: $5,000
    • Year 2: $7,000
    • Year 3: $8,000
    • Sale at end of Year 3 for $6,000
    • Additional working capital needed: $1,000
  • Tax Rate: 30% payable one year in arrears.
  • Capital Allowances: 25% on a reducing balance basis.

Calculating Cash Flows and Tax

  • Net Operating Cash Flow: Calculate tax based on net operating cash flow, considering tax allowable depreciation (capital allowances).
  • Tax Calculation:
    • Example: Tax on $1,000 operating cash flow with $200 capital allowances.
    • Tax = 30% on taxable profit after allowances.
    • Cash Flows: Inflow of $1,000 minus tax outflow.

Efficient Tax Calculation Method

  • Simplified method for exams involves:
    • Calculating net operating cash flows.
    • Separately calculating tax savings from capital allowances.

Example 4 Detailed Calculation

  • Establish project duration from machine sale (3 years) and set up yearly columns.
  • Operating Flows:
    • Year 1: $5,000
    • Year 2: $7,000
    • Year 3: $8,000
  • Tax Calculation:
    • Year 1: $1,500 (payable one year later)
    • Year 2: $2,100
    • Year 3: $2,400

Capital Flows and Tax Savings on Capital Allowances

  • Initial Cost: $10,000
  • Sale Proceeds: $6,000 in Year 3
  • Capital Allowances Calculation:
    • Year 1: $2,500
    • Year 2: $1,875
    • Balancing charge or allowance in Year 3

Working Capital and Cash Flow Analysis

  • Initial working capital of $1,000 needed.
  • Return of working capital assumed at project end.
  • Net Cash Flows Calculation:
    • Year 0: Outflow of $11,000
    • Year 1: Inflow of $5,000
    • Year 2: Inflow after tax and savings
    • Year 3: Inflow after tax and savings
    • Year 4: Outflow due to balancing charge

Discount Calculation

  • Discount factor applied at 10% cost of capital.
  • Calculate present values for each year.

Conclusion on Project Viability

  • NPV Calculation: Positive net present value ($6,877)
    • Decision: Accept the project due to positive NPV.

Exam Tips

  • Each calculation step is marked separately; show clear workings.
  • Manage tax calculations for clarity and efficiency.
  • Do not worry about tax losses; assume overall company profitability.
  • Inflation will be covered in the next lecture.