During the current year, Gardner Home Center sold 800 power washers for $350 each. The power washers carry a 2-year warranty for repairs. Estimates indicate that repair costs will average 2% of sales. How much warranty expense should be accrued at the end of the current year as a result of the sales of this product? a. $8,400 Ob. No liability should be recorded until units are brought in for repairs. c. $2,800 d. $5,600