Budgeting (AQA Level 3 Mathematical Studies (Core Maths))

Revision Note

Jamie Wood

Written by: Jamie Wood

Reviewed by: Dan Finlay

Budgeting

What is budgeting?

  • Budgeting is an estimation of the monetary incomes and outgoings for a person or business

    • This revision note focuses on personal budgeting

  • Budgeting helps to plan and forecast how much money an individual has

  • This is useful when trying to save money over time

    • Knowing your monthly income and outgoings will reveal how much you can aim to save each month

    • A budget will help highlight areas that are fixed outgoings, and areas which could be cut back to help save money

  • A budget can help individuals be more objective about their finances

    • E.g. They may "feel" they are spending a sensible amount of their earnings on new clothes and shoes

    • But when a budget is created and they see the true amount and proportion of their income, they may feel differently!

Creating a budget

  • Below is a simplified version of a current account statement for one month

    • A current account is a bank account for managing day-to-day expenditures

      • E.g. Paying bills, buying groceries, and receiving your salary

  • It includes some common codes you may see on a bank statement

    • DD - Direct Debit

      • This is an automated payment system, often used for bills

    • DEB - Debit card

    • CPT - Cash point withdrawal

    • TFR - Transfer between your own accounts

    • FP - Faster Payments Service

      • This is a system used for bank transfers

Date

Description

Type

Credit (£)

Debit (£)

Balance (£)

1/3/24

Salary

FP

1900.00

1950.00

3/3/24

Groceries

DEB

60.00

1890.00

4/3/24

Utilities

DD

120.00

1770.00

7/3/24

Mobile Phone

DD

18.00

1752.00

8/3/24

TV Subscription

DD

12.00

1740.00

10/3/24

Rent

DD

750.00

990.00

11/3/24

Groceries

DEB

70.00

920.00

12/3/24

Council Tax

DD

100.00

820.00

13/3/24

Clothes

DEB

20.00

800.00

14/3/24

Petrol

DEB

60.00

740.00

15/3/24

Internet

DD

30.00

710.00

17/3/24

Groceries

DEB

50.00

660.00

18/3/24

Utilities

DD

40.00

620.00

19/3/24

Loan Repayment

DD

120.00

500.00

20/3/24

Online Store

DEB

50.00

450.00

22/3/24

Groceries

DEB

90.00

360.00

24/3/24

Pub

DEB

12.00

348.00

25/3/24

Cash

CPT

50.00

298.00

27/3/24

Groceries

DEB

30.00

268.00

29/3/24

To Savings

TFR

200.00

68.00

  • By categorising the incomes and expenditures across the month, and finding the total for each, the statement can be used to create a budget

  • Income

    • Salary: £1900

    • Total in: £1900

  • Outgoings

    • Housing (rent and council tax): £850

    • Groceries and shopping: £370

    • Utilities (gas, electric, water): £160

    • Loan repayment: £120

    • Transport & fuel: £60

    • Cash withdrawals: £50

    • Internet & phone: £48

    • Entertainment & social: £24

    • Moved to savings: £200

      • This is obviously a "good outgoing" !

    • Total out: £1882

  • It is important to also consider longer term costs, or costs which don't appear each month, for example:

    • An annual car service

    • An appliance breaking which needs to be fixed or replaced quickly

    • Insurance which renews yearly

    • Buying presents for Christmas or other celebrations

    • Many of these costs will offer a monthly payment instead which can be useful, but be wary of any associated interest rates

Analysing a budget

  • Once the budget is formed, it can be used to highlight areas that are:

    • Fixed: these cannot be changed

    • Variable: these can be flexible

  • Some of these are more fixed or more variable than others

    • In reality, there are very few things that are truly 'fixed'

      • E.g. Utilities can often be reduced by changing supplier

      • Even loans can be consolidated to a different lender with a lower interest rate to reduce the cost

  • Considering the budget above:

  • Fixed income

    • Salary is most likely fixed, but there may be opportunities for pay increase in the mid to long term

      • There could also be opportunities for extra income streams, e.g. selling unwanted items, or extra part time work if suitable

    • There may be other sources of income, not listed in the current account

      • E.g. income from interest on savings accounts or investments

  • Fixed costs

    • Housing

      • This is usually fixed for a long period of time, but can obviously change significantly when moving house

    • Utilities

      • More fixed than other types of bills, but better deals can sometimes be found by changing supplier or fixing gas and electric rates for a period of time

    • Loan repayment

      • It is essential that this keeps being paid so that more debt does not accrue

      • It is possible to consolidate debts which can lead to a reduced interest rate, reducing monthly payments

    • Internet & phone

      • Whilst these are fixed month to month, better deals can often be found by comparing different networks

  • Variable costs

    • Groceries and shopping

    • Transport & fuel

    • Cash withdrawals

    • Entertainment & social

    • Savings

  • All of these variable costs are more flexible month to month

    • There is always a minimum cost, e.g. transport to get to work, and buying food

    • However there are ways to reduce the variable costs by shopping at different stores, or limiting 'luxury' items more strictly

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Jamie Wood

Author: Jamie Wood

Expertise: Maths

Jamie graduated in 2014 from the University of Bristol with a degree in Electronic and Communications Engineering. He has worked as a teacher for 8 years, in secondary schools and in further education; teaching GCSE and A Level. He is passionate about helping students fulfil their potential through easy-to-use resources and high-quality questions and solutions.

Dan Finlay

Author: Dan Finlay

Expertise: Maths Lead

Dan graduated from the University of Oxford with a First class degree in mathematics. As well as teaching maths for over 8 years, Dan has marked a range of exams for Edexcel, tutored students and taught A Level Accounting. Dan has a keen interest in statistics and probability and their real-life applications.