Answer and Explanation:
The journal entries are shown below:
On September 1
Cash $520
Sales $520
(Being the sale is recorded)
On September 1
Cost of goods sold $220
To Merchandise inventory $220
(Being the cost is recorded)
On September 1
Warranty expense $41.6 ($520 × 8%)
To Estimated warranty liability $41.60
(Being the warranty expense is recorded)
On July 24
Estimated warranty liability $36
To Repair parts inventory $36
(Being the estimated warranty liability is recorded)