can you explain where they got (492,300) Net Sales from and why it's not 892,300?

4. The following data are available for Company A. Company A uses retail inventory method to determine ending inventory. Sales revenue is recorded net of employee discounts, which totaled $4,300 in the year. If Company A uses conventional retail inventory method, ending inventory is approximately: (a.) $597,511 b. $598,087 c. $598,316