Answer:
The Journal entries are as follows:
(i) During 2020,
Cash/ Accounts receivable A/c Dr. $1,000,000
To sales revenue A/c $1,000,000
(To record the product sold)
(ii) Warranty expenses A/c Dr. $70,000
To Inventory A/c $70,000
(To record the Warranty expenses)
(iii) Adjusting entry,
Warranty expenses A/c Dr. $55,000
To Liabilities under warranty A/c $55,000
(To record the December 31 adjusting entry)
Liabilities under warranty = Warranty costs - servicing warranty claims
= $125,000 - $70,000
= $55,000