Final answer:
The journal entries to record John's Specialty Store transactions include debits and credits to Inventory, Accounts Payable, Cash, Sales Revenue, and Cost of Goods Sold, affecting the merchandise balance and current account balance.
Step-by-step explanation:
Journal Entries for John's Specialty Store
To record the purchased merchandise on account for $5,400:
- Debit Inventory $5,400
- Credit Accounts Payable $5,400
To record the payment of freight charges for $500:
- Debit Inventory $500
- Credit Cash $500
To record the purchase return for $800:
- Debit Accounts Payable $800
- Credit Inventory $800
To record the merchandise sold for $5,600:
- Debit Cash $5,600
- Credit Sales Revenue $5,600
Finally, to record the cost of goods sold of $3,000:
- Debit Cost of Goods Sold $3,000
- Credit Inventory $3,000
These entries would update the merchandise balance and current account balance reflecting the company's transactions.