On January 1, 2019, Sandhill Company began a warranty program to stimulate sales. It is estimated that 5% of the units sold will be returned for repair at an estimated cost of $38 per unit. Sales and warranty figures for the three years ended December 31 are as follows: Sales (units) Sales price per unit Units returned for repair under warranty Actual warranty costs 2019 2,400 $145 77 $4,560 2020 1,900 $120 105 $3,300 2021 700 $220 97 $1,110 Calculate the warranty expense for each year and warranty liability at the end of each year. Warranty Expense Warranty Liability 2019 $ $ $ 2020 $ $ 2021 $ $ $ Record the warranty transactions for each year. Credit Repair Parts Inventory for the actual warranty costs. (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 for the amounts.) Date Account Titles and Explanation Debit Credit 2019 (To record honouring warranty contracts.) (To accrue warranty expense.) 2020 (To record honouring warranty contracts.) (To accrue warranty expense.) 2021 (To record honouring warranty contracts.) (To accrue warranty expense.) To date, what percentage of the units sold have been returned for repair under warranty? What has been the average actual warranty cost per unit for the three-year period? (Round percentage of units returned answer to 2 decimal place, e.g. 52.73% and average warranty cost per unit to 2 decimal places, e.g. 52.76.) Percentage of units returned for repair % Average actual warranty cost per unit $