Answer:
$475
Step-by-step explanation:
the summary journal entry to record sales revenue and warranty expense during 2018:
Dr Cash 200,000
Cr Sales revenue 200,000
Dr Warranty expense 800
Cr Warranty liability 800
The journal entry to account for actual warranty costs:
Dr Warranty liability 740
Cr Cash (or wages payable or inventory) 740
the December 31, 2018 balance of warranty liability = initial balance + warranty liability associated to 2018 sales - incurred warranty costs = $415 + $800 - $740 = $475