Answer and Explanation:
The computation is shown below;
a. For Warranty Expense
= Sales × Estimated Warranty Percentage%
= $4,144,400 × 0.87%%
= $36,056.28
b)
The amount that should be reported is
Opening Balance of Estimated Warranty Liability Jan. 1, 2019 $42,635
Less: Actual warranty costs in 2019 ($26,750)
Add: Warranty expense accrued in 2019 $35,056
Closing Balance of Estimated Warranty Liability Dec. 31, 2019 $50,941