Computers Galore Ltd. sells computers, computer accessories, and software. On its computer sales, the company provides a one- month warranty that is included in the cost of the computer. Claims under the warranties vary from replacing defective items to providing customers with refunds if they choose. During 2020, the estimated costs related to the one-month warranties was $39,400, of which $35,100 had been incurred before year end ($30,400 for replacement items and $4,700 in refunds). For an additional charge of $110, Computers Galore also offers extended warranty coverage for two years on its computers. This amount is expected to cover the costs associated with the extended warranties. During 2020, Computers Galore sold 740 two-year warranties. The costs incurred during the year for replacements under these warranties amounted to $32,600. Based on experience, the company estimates that its total warranty costs over the two-year coverage period will be $74,000, which it expects will occur evenly over the warranty period. (a1) Prepare journal entries to record the warranty transactions for 2020. (Enter debit entries first followed by credit entries. Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter O for the amounts.) No. Account and explanation 1. Debit Credit 2. (To record estimated cost related to 1 month warranties.) 3. 5. (To record cost incurred related to 1 month warranties.) (To record sale of 2 year extended warranties.) (To record cost incurred related to 2 year extended warranties.) (To record service revenue.)