DEF Corporation had the following transactions during January 2022:

1. Purchased inventory on credit for £12,000.
2. Sold goods for £18,000 on credit. The cost of goods sold was £10,000.
3. Paid £2,000 for utilities.
4. Received £5,000 from accounts receivable.
5. Declared and paid dividends of £3,000.
6. Purchased equipment for £6,000, paying £2,000 in cash and the rest on credit.

Requirements:

1. Prepare journal entries for each transaction.
2. Post these journal entries to the ledger accounts.
3. Prepare a trial balance as of 31 January 2022.