Ivanhoe Equipment Company sells computers for $1,670 each and also gives each customer a 2-year warranty that requires the company to perform periodic services and to replace defective parts. During 2020, the company sold 900 computers. Based on past experience, the company has estimated the total 2-year warranty costs as $40 for parts and $60 for labor. (Assume sales all occur at December 31, 2020.) In 2021, Ivanhoe incurred actual warranty costs relative to 2020 computer sales of $12,400 for parts and $18,600 for labor. Part 1 Under the expense warranty approach, give the entries to reflect the above transactions (accrual method) for 2020 and 2021. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.) Debit Credit Date Account Titles and Explanation 2020 (To record sale of computers) 2020 (To record liability against warranty costs) 2021 Part 2 The transactions of part (a) create what balance under current liabilities in the 2020 balance sheet? Current Liabilities $