Step-by-step explanation:
The journal entries are shown below:
On May 1
Accounts receivable A/c Dr $5,800
To Sales A/c $5,800
(Being the sale is recorded)
Cost of goods sold A/c Dr $4,000
To Merchandise inventory A/c $4,000
(Being the cost of the item sold is recorded)
Only these two entries are recorded under the perpetual inventory system