Answer and Explanation:
The journal entries are shown below:
1. Account Receivable $3,000
To Sales $3,000
(Being sale is recorded)
2. Cost of Goods Sold $1,800
To Merchandise $1,800
(Being the cost of goods sold is recorded)
3. Sales Return $300
To Account Receivable $300
(Being sales return is recorded)
4. Merchandise $180
To Cost of Goods Sold $180
(being cost return is recorded)
5. Account Receivable $1,000
To Sales $1,000
(Being sale is recorded)
6. Cost of Goods Sold $700
To Merchandise $700
(Being the cost of goods sold is recorded)
7. Cash $2,700 ($3,000 - $300)
To Account Receivable $2,700
(Being payment receipt is recorded)