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Teaching Business
Enterprise Resource Planning
A clear guide to ERP, covering integrated business data, cross-functional coordination and operational decision-making.
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Created by an experienced Head of Business and examiner
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AQA | Edexcel | Cambridge | Eduqas | WJEC | OCR | GCSE
KEY POINTS
Enterprise resource planning links business functions through one shared system.
ERP can improve visibility of stock, orders, finance, HR and operations data.
Better information can support faster and more coordinated decisions.
ERP can be expensive, disruptive and difficult to implement.
KEY DEFINITION
Enterprise resource planning
Enterprise resource planning is an integrated software system that connects data and processes across business functions.
Main Explanation
Enterprise resource planning, or ERP, is an integrated information system that connects data across different business functions such as operations, finance, HR, sales and purchasing. Its purpose is to create a shared view of the business so that decisions are based on accurate, up-to-date information rather than separate departmental systems. For A Level Business, ERP should be analysed as both a coordination tool and a major change project.
A well-implemented ERP system can improve decision-making. For example, sales data can update inventory records, purchasing requirements and financial forecasts automatically. Operations managers can see stock levels, finance teams can monitor costs, and HR teams can connect staffing information to demand patterns. This can reduce duplication, improve planning, speed up communication and help managers identify problems earlier.
ERP can also support efficiency and customer service. If a business has reliable real-time data, it may reduce stockouts, avoid over-ordering, shorten lead times and coordinate departments more effectively. This is especially useful in larger or more complex businesses where decisions in one function affect many others. ERP can therefore support growth by giving managers better control over resources, costs and performance.
However, ERP is not automatically beneficial. Implementation can be expensive and disruptive, involving software costs, data migration, training, process redesign and possible resistance from employees. If the data entered into the system is inaccurate, the system may simply spread poor information more quickly. Businesses may also become dependent on the system, so downtime or poor configuration can affect several departments at once.
The judgement depends on scale, complexity and readiness. ERP is most valuable where the business has multiple functions, locations, product lines or data flows that need coordination. It may be less suitable for a very small business where simpler systems are cheaper and easier to manage. A strong answer should balance the potential integration benefits against cost, disruption, data quality and the ability of employees to use the system effectively.
✎ EXAMINER TIP
Do not describe ERP as simply 'using computers'. Focus on integration: one system connecting functions and improving the quality of business information.
KEY FORMULAS(s)
Profit and Profitability Formulas
These key formulas help you calculate different profit measures and profitability ratios used in business.
Gross Profit
Gross profit = Revenue − Cost of sales
The profit made after deducting direct costs.
!
Remember: profit shows how much money has been made, while profitability shows how efficiently revenue is being turned into profit.
DATA TABLE
Income Statement for North Coast Coffee Ltd
This statement shows how revenue is converted into gross profit, operating profit and net profit.
Revenue
£250,000
Output
Fixed Costs
Variable Costs
Total Costs
Revenue
Profit / Loss
0 candles £1,200 £0 £1,200 £0 -£1,200
Net profit is the final profit remaining after all costs and expenses have been deducted from revenue.
WORKED EXAMPLE
Worked Example: North Coast Coffee
How many coffees must be sold to break even?
Fixed Costs
£1,800
equity + long-term debt
Break-even output = Fixed costs ÷ Contribution per unit
Contribution per unit = Selling price − Variable cost
£3.50 − £1.10 = £2.40
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Step 1: Calculate contribution
£3.50 − £1.10 = £2.40
Contribution per unit is the amount each coffee contributes towards fixed costs.
BREAK-EVEN OUTPUT:
750 coffees per month
EXAM TIP
Always explain what the number means for the business. Do not just calculate the break-even point.
ERP: One System Connecting the Business
This diagram shows how ERP links operations, finance, HR, purchasing and sales through shared data.
APPLICATION
Tesco
Tesco is a strong example for enterprise resource planning because a large retailer needs accurate information across stores, distribution centres, suppliers, online orders, finance and staffing. An ERP system can help link data from different functions so managers can see stock levels, sales patterns, delivery schedules and costs more clearly. This matters because poor information in retail can lead to empty shelves, excess stock, waste, delayed deliveries or inaccurate financial decisions.
For Tesco, the benefit of ERP is not simply that it uses software. The value comes from integration. If sales data from stores and online channels is connected to purchasing and inventory systems, Tesco can replenish popular products more quickly and reduce the risk of over-ordering slow-moving items. Finance teams can also use shared data to monitor margins and costs across different categories and locations.
However, ERP can be expensive and risky. Staff need training, data must be accurate and system failures can disrupt operations. The judgement is that ERP adds value for Tesco when the benefits of better coordination, stock control and decision-making outweigh the costs, disruption and complexity of implementation.
This independent educational case study is not affiliated with, endorsed by or sponsored by Greggs plc. Any financial figures used alongside this example should be treated as simplified or hypothetical estimates created for teaching purposes.
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ANALYSIS
EXAM FOCUS
Analysis questions require you to examine a business concept or issue in detail, breaking it down into its component parts. You should explain how and why something happens and consider its impact on the business.
How to Approach Analysis Questions
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Identify the key issue or concept
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Break it down
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Explain how and why
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Reach a reasoned conclusion
Read the question carefully and highlight the focus of the analysis.
Consider the different factors, causes or impacts related to the issue.
Provide clear explanations using business terms and links points to context.
Evaluate the overall implications for the business.
Example Analysis Question
North Coast Coffee is considering using break-even analysis before opening a second café.
Advantages
• Sales forecasts may be inaccurate.
• Assumes costs and revenue remain constant.
• External factors may reduce reliability.
• Ignores qualitative business factors.
Disadvantages
• Sales forecasts may be inaccurate.
• Assumes costs and revenue remain constant.
• External factors may reduce reliability.
• Ignores qualitative business factors.
Key Exam Tip
If you find it difficult to expand your answer and show the type of depth that an examiner is looking for in a top response, consider using the 'so what' approach.
Tesco carry out market research - so what? - this allows them to better understand customer needs - so what? as a result Tesco can provide goods more likely to sell - so what? - this will increase Tesco profit and ensure higher levels of customer satisfaction - so what? this means that customers are likely to become more loyal to Tesco.
Avoid These Exam Traps
Students often lose marks on calculation and analysis questions by making these mistakes. Watch out for them in your exam!
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Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Tip:
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
2
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Tip:
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
3
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Tip:
Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.
Be precise. Read the question carefully. Show your working.
Small mistakes can cost big marks.
EXAM PRACTICE
Practice Question
Apply your knowledge of profit and profitability to answer this exam-style question.
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MINI CASE STUDY
North Coast Coffee Ltd is a premium coffee business which sells freshly roasted coffee beans through its online store and a small chain of independent cafés. The business has experienced strong sales growth due to increasing demand for high-quality speciality coffee products.
The business generates annual revenue of £250,000. Its cost of sales, including coffee beans, packaging and direct production costs, totals £100,000. North Coast Coffee Ltd also faces operating expenses of £80,000, including marketing, employee wages, rent and administration costs. In addition, the business pays £20,000 in interest and taxation each year.
The owner, Mia Thompson, is reviewing the company’s profitability because rising wage costs and increased competition in the premium coffee market have started to place pressure on operating profit margins. She is considering increasing prices slightly in order to protect profitability while still maintaining customer demand.
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EXAM QUESTION
Analyse the possible reasons for BrightBite’s falling profit margins and evaluate strategies it could use to improve profitability.
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HOW TO ANSWER
P
Point
E
Explain
A
Apply
C
Consequence
H
However...
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MODEL ANSWER
P
Point
Increasing prices could improve the profitability of North Coast Coffee Ltd because each sale would generate a larger amount of revenue and potentially increase profit margins.
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EXAMINER TIP
For full marks, make sure you analyse causes rather than just listing them, and evaluate realistic strategies with clear judgement. THINK: Which strategy would have the biggest impact and why?
CALCULATOR
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