Introduction to Books of Prime Entry (Cambridge (CIE) O Level Accounting)

Revision Note

Dan Finlay

Written by: Dan Finlay

Reviewed by: Lucy Kirkham

Purpose of Books of Prime Entry

What are books of prime entry?

  • Books of prime entry are used to record the details of a transaction

    • Older terminology for these books includes

      • Subsidiary books

      • Books of original entry

      • Daybooks

  • Information is taken from the business documents and entered into the books of prime entry

  • The details are then transferred from the books of prime entry to the ledger accounts

  • The seven books of prime entry are:

    • Sales journal

    • Purchases journal

    • Sales returns journal

    • Purchases returns journal

    • Cash book

    • Petty cash book

    • General journal

The accounting process: transaction to business document to books of prime entry to ledger accounts
The accounting process

What are the advantages of using books of prime entry?

  • Books of prime entry are another stage which can be used to check for errors

    • They can help in the preparation of control accounts to check the accuracy of the ledger accounts

  • Each book of prime entry collects the same type of transaction 

    • The books allow managers to see the totals for different types of transactions easily

    • Therefore, there are fewer entries in some of the ledger accounts

  • Bigger businesses may have multiple book-keepers

    • Different book-keepers can be responsible for different books of prime entry without any risk of work being duplicated or missed 

Sales Journal

What is the sales journal?

  • The sales journal is a record of all credit sales

    • Cash sales are not recorded in the sales journal

      • They are recorded directly into the cash book

  • It contains:

    • The dates of sales

    • The names of the credit customers

    • The amounts for each of the sales

      • The amounts should be after trade discounts have been applied to the list prices

  • The book-keeper uses the sales invoices that were issued to enter the information into the sales journal

  • The totals are transferred to the ledger accounts at regular intervals

    • Credit the sales account with the total

      • Call this entry “Sales journal”

    • Debit the individual trade receivables accounts

Examiner Tips and Tricks

If a sales journal is used, only one entry is made to the sales account at the end of a given period rather than separate entries for each individual sale.

If a question does not mention a sales journal, enter the individual transactions into the sales account and label them with the names of the trade receivables.

Sales Returns Journal

What is the sales returns journal?

  • The sales returns journal is a record of all the returns from credit customers

  • It contains:

    • The dates of the returns

    • The names of the credit customers

    • The amounts for each of the returns

  • The book-keeper uses the credit notes that were issued to enter the information into the sales returns journal

  • The totals are transferred to the ledger accounts at regular intervals

    • Debit the sales returns account with the total

      • Call this entry “Sales returns journal”

    • Credit the individual trade receivables accounts

Examiner Tips and Tricks

If a sales returns journal is used, only one entry is made to the sales returns account at the end of a given period rather than separate entries for each individual return.

Purchases Journal

What is the purchases journal?

  • The purchases journal is a record of all credit purchases

    • Cash purchases are not recorded in the purchases journal

      • They are recorded directly into the cash book

    • Purchases of non-current assets are not recorded in the purchases journal

      • They are recorded directly into the cash book

  • It contains:

    • The dates of the purchases

    • The names of the credit suppliers

    • The amounts for each of the purchases

  • The book-keeper uses the purchases invoices that were received to enter the information into the purchases journal

  • The totals are transferred to the ledger accounts at regular intervals

    • Debit the purchases account with the total

      • Call this entry “Purchases journal”

    • Credit the individual trade payables accounts

Examiner Tips and Tricks

If a purchases journal is used, only one entry is made to the purchases account at the end of a given period rather than separate entries for each individual purchase. 

If a question does not mention a purchases journal, enter the individual transactions into the purchases account and label them with the names of the trade payables.

Purchases Returns Journal

What is the purchases returns journal?

  • The purchases returns journal is a record of all the returns to credit suppliers

  • It contains:

    • The dates of the returns

    • The names of the credit suppliers

    • The amounts for each of the returns

  • The book-keeper uses the credit notes that were received to enter the information into the purchases returns journal

  • The totals are transferred to the ledger accounts at regular intervals

    • Credit the purchases returns account with the total

      • Call this entry “Purchases returns journal”

    • Debit the individual trade payables accounts

Examiner Tips and Tricks

If a purchases returns journal is used, only one entry is made to the purchases returns account at the end of a given period rather than separate entries for each individual return.

Worked Example

Jeff is a sole trader. In February 2024, the following transactions took place.

Feb 1

Bought goods on credit from Samson, $500

3

Bought goods on credit from Helina with a 10% trade discount, list price $300

6

Returned goods to Samson, $50

7

Paid $250 to Samson by credit transfer

10

Bought goods using cash from Jimmy, $70

15

Bought goods on credit from Samson, $400

18

Sold goods on credit to Jasper, $180

28

Returned goods to Samson, $100

Prepare the purchases journal and the purchases returns journal for February 2024. Total the journals on 29 February 2024, and indicate the ledger account to which the total would be posted.

Answer

Feb 1

Purchases journal: $500 Samson

3

Find the discount given by Helina: 10% x $300 = $30

Find the amount Jeff owes Helina: $300 - $30 = $270

Purchases journal: $270 Helina

6

Purchases returns journal: $50 Samson

7

Neither journal: it is a payment, not a purchase or return
This would go in the cash book

10

Neither journal: it is a cash purchase
This would go in the cash book

15

Purchases journal: $400 Samson

18

Neither journal: it is a credit sale
This would go in the sales journal

28

Purchases returns journal: $100 Samson

Purchases Journal

Date

Details

$

Feb 1

Samson

500

Feb 3

Helina

270

Feb 15

Samson

400

Feb 29

Transfer to purchases account

1 170

Purchases Returns Journal

Date

Details

$

Feb 6

Samson

50

Feb 28

Samson

100

Feb 29

Transfer to purchases returns account

150

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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.

Lucy Kirkham

Author: Lucy Kirkham

Expertise: Head of STEM

Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.