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Using Cash-flow Forecasts

Exam code: 7115
Written by: Ashika|Reviewed by: Caroline Carroll|Updated 2 July 2026

The importance of cash to a business

The importance of cash to a business

  • Cash is the 'blood' of a business, as without it, a business will die

    • It is a liquid asset in the form of notes, coins and money in the bank

  • A profitable business is likely to fail if it does not have sufficient cash

    • Cash-poor businesses will struggle to pay suppliers, employees and operating expenses

    • This is called insolvency 

      • E.g. Lifestyle retailer Joules announced plans to liquidate in December 2022 as a result of cash-flow difficulties despite making a profit of £2.6 million during the previous year

  • A new business may have to pay cash on purchase for all of its supplies until its suppliers trust them enough to provide credit terms (buy now, pay later)

    • A supplier may then give the business trade credit of 30 or 60 days

    • This means that the business can receive their stock now and only pay for it in 30 or 60 days; the cash outflow is delayed

    • As the business sells its products, they receive money generated from the business revenue and this represents a cash inflow

    • At the end of 60 days they will pay their supplier (cash outflow), but the firm may still have half of its stock available for sale

  • A cash-flow cycle shows the stages between paying out cash for labour, materials, and so on, and receiving cash from the sale of goods

Cash-flow cycle

Flowchart showing the cash flow cycle: stocks ordered, turned into products, held, sold to customers, who pay, generating cash inflow.
The cash flow cycle shows the process of cash entering the business, being used to generate products, before leaving the business to pay suppliers

Explanation of the cash-flow cycle

  • The diagram shows that cash is needed to pay for materials used to produce the product

  • Time is needed to produce the products before they can be sold to customers

  • If customers purchase the goods using a credit facility provided by the business, then they will not have to pay immediately, which will delay cash inflows

  • When they do pay for the goods immediately, this money will be used to pay business expenses

  • Due to the time between each stage, the business needs to make sure it has enough working capital to keep running and pay bills

  • Businesses, particularly start-ups, need to ensure that they manage cash-flow to ensure that it does not run out of money

  • Cash-flow issues may put the business in a situation where it is 

    • Unable to pay key stakeholders, such as workers and suppliers

      • Production is likely to cease as workers will not work without pay and suppliers will not supply goods if they are not paid

      • Unable to pay utility bills and rent

  • The business could be forced into liquidation and, ultimately, is likely to fail

Constructing a cash-flow forecast

Constructing a cash-flow forecast

  • A cash-flow forecast is a prediction of the anticipated cash inflows and  cash outflows typically for a three, six or twelve month period

    • Typical outflows include payments for raw materials, paying staff wages and salaries, paying bills such as electricity and  repaying loans 

    • Typical inflows include receipts from sales, money received from a new bank loan, money from the sale of an asset and money from investors

Cash flow table for Jan to Mar, showing inflows, outflows, net cash flow, opening and closing balances, with definitions on the right.
The three month cash-flow forecast clearly shows how inflows and outflows of cash into a business are accounted for

Steps in constructing a cash-flow forecast

  • The business starts with an opening balance of £500 in January

  • Total inflows for January are £8,600

  • Total outflows are expected to be £4,770

  • The Net Cash-flow is expected to be £3,830 (£8,600 - £4,770)

  • January’s closing balance is expected to be £4,330 (£500 + £3,830)

  • Each closing balance becomes the opening balance for the next month

    • As the closing balance for January is £4,330, the opening balance for February is therefore £4,330

  •  The calculation process starts again in February, and every month onwards 

    • Net cash flow + opening balance = closing balance 

  • Overall, despite negative net cash flow between February and May, this businesses closing balance is expected to remain positive during the period, suggesting it does not expect to suffer cash flow problems

The importance of cash-flow forecasts

  • By analysing cash flow over time, businesses can better plan and allocate financial resources

    • E.g. Problematic months can be identified early and sources of additional finance put in place to ease the cash-flow

  • Cash flow forecasts are useful in the following situations

    • Starting up a business: identifying how much cash is needed in the first few months

    • Running an existing business: recognising where a fall in sales may require use of an overdraft facility

    • Supporting applications for borrowing: determining the size of loan or overdraft needed, when and for how long it is needed and by when it is likely to be fully repaid

    • Managing transactions: identifying how much or how little cash is deposited at the bank can determine when bills should be paid

Calculating and interpreting cash-flow forecasts

Calculating and interpreting cash-flow forecasts

  • It is important for a business to know how to calculate and interpret a cash-flow forecast

Example of a start-up 3 month cash-flow forecast (£s)

 

Jan

Feb

Mar

Inflows

Cash received from sales

4,600

5,100

3,100

Total inflows

4,600

5,100

3,100

Outflows

Inventory/stock

1,500

850

900

Wages

2,200

2,200

2,200

Utilities

840

840

840

Total outflows

4,540

3,890

3940

Net cash flow

60

1,210

(840)

Opening balance

500

560

1770

Closing balance

560

1,770

930

Cash-flow forecast analysis

  • Overall, this cash flow forecast supports a decision for the business to arrange an overdraft facility with their bank

  • As sales increase in January and February, inflows are greater than outflows, and the business has a positive cash flow

  • This changes in March as the level of sales falls and the net cash flow turns negative

  • An overdraft facility will help them survive if their closing balance drops below zero in the next month or two

January

  • The opening balance of £500 has been introduced by the owner

  • The business is expected to achieve sales of £4,600

  • Total outflows are expected to be £4,540

  • The Net Cash Flow is expected to be £60 (£4,600 - £4,540)

  • January’s closing balance is expected to be £560 (£60 + £500)

February

  • The closing balance from January becomes the opening balance for February

  • Sales of £5,100 are expected to be the business total inflows 

  • Total outflows are expected to be £3,890

  • The net cash flow is expected to be £1,210 (£5,100 - £3,890) 

  • The closing balance is expected to be £1,770 (£1,210 + £560) 

March

  • The closing balance from February becomes the opening balance for March

  • The business expects to achieve sales of £3,100 as its total inflows 

  • Total outflows are expected to be £3,940

  • The net cash flow is expected to be -£840 (£3,100 - £3,940) 

  • The closing balance is expected to be £930 (-£840 + £1,770)