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    Worked Example

    When £2 Overhead Changes Everything

    Small per-unit overhead costs add up fast. See how they affect your margin.

    Example Inputs

    cost Per Unit
    £25
    sell Price Per Unit
    £50
    overhead
    £5

    You sell online courses. Each sale seems profitable, but are you accounting for all costs?

    Scenario Without Overhead

    Production cost per course: £25 (video editing, platform fees)
    Selling price: £50
    Profit: £25
    Margin: 50%

    Looks great! But wait...

    Scenario With Realistic Overhead

    Per-course costs you forgot:

    • Payment processing (2.9% + £0.30): £1.75
    • Email marketing platform (per student): £1.20
    • Customer support (10 min @ £30/hr): £5.00
    • Refunds (5% rate): £2.50
    • Total overhead: £10.45

    Let's round to £10 per course.

    New calculation:

    • Direct cost: £25
    • Overhead: £10
    • Total cost: £35
    • Selling price: £50
    • Profit: £15
    • Margin: 30%

    Your margin just dropped from 50% to 30% when you included real overhead.

    The Revenue Illusion

    Month 1: Ignoring overhead

    • Sell 100 courses at £50
    • Revenue: £5,000
    • Costs: £2,500
    • "Profit": £2,500 ✨

    Month 1: Including overhead

    • Sell 100 courses at £50
    • Revenue: £5,000
    • Direct costs: £2,500
    • Overhead: £1,000
    • Actual profit: £1,500 😬

    You "lost" £1,000 because you forgot overhead.

    Common Overhead Costs People Forget

    Digital Products:

    • Payment processing fees
    • Platform/hosting fees
    • Email marketing
    • Customer support time
    • Refunds and chargebacks
    • Software subscriptions

    Physical Products:

    • Shipping materials
    • Returns and damaged goods
    • Inventory storage
    • Quality control time
    • Photos and listings
    • Marketplace fees

    Services:

    • Proposal/quote time
    • Client communication
    • Invoicing and payments
    • Professional insurance
    • Software and tools
    • Travel/commute

    How to Fix It

    1. Track everything for one month to find hidden costs
    2. Calculate per-unit overhead (total overhead ÷ units sold)
    3. Add it to your cost in pricing calculations
    4. Review quarterly as costs change

    The Bottom Line

    If you price based only on direct costs, you're underpricing by 10-30%.

    Use the calculator with realistic overhead to see your TRUE margin.

    Understanding Business Calculator Scenarios

    Business calculator scenarios provide practical frameworks for making informed financial decisions. These scenarios help entrepreneurs, small business owners, and financial planners evaluate different outcomes based on varying inputs. By using predefined situations, users can quickly test how changes in key variables affect their financial projections. This approach is particularly valuable when planning for growth, managing cash flow, or assessing investment opportunities. Each scenario serves as a template that demonstrates real-world applications of business calculators.

    Practical Applications in Financial Planning

    In practical terms, business calculator scenarios are invaluable tools for financial planning. They allow users to model different business situations such as startup funding requirements, expansion costs, or break-even analysis. For instance, a scenario might explore how changing pricing strategies impacts profitability, or how varying interest rates affect loan repayments. These applications help businesses prepare for various market conditions and make proactive rather than reactive decisions. The scenarios also support compliance with financial reporting standards by providing documented approaches to complex calculations.

    Maximising Your Calculator Results

    To get the most from business calculator scenarios, it's important to understand the underlying assumptions and limitations. Users should carefully review input parameters and consider how real-world factors might differ from modelled conditions. Regular updates to scenario data ensure accuracy in changing economic environments. Additionally, combining multiple scenarios can provide a more comprehensive view of potential outcomes. Businesses should use these tools as part of broader strategic planning processes rather than standalone decision-making instruments.

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