If Gardner Home Center sold 800 power washers for $350 each, this sums up to an amount of $280,000. However, the power washers carry a 2-year warranty for repairs, estimating a repair costs averaging 2% of sales. Extracting 2% from $280,000 amount of gives us a value of $5,600. Therefore the answer is option C. $5,600 - which must be recorded because the sale took place.