please solve this.

Calculate the missing amounts. (Loss amounts should be indicated with a minus sign and input all other amounts as positive values. Do not round intermediate calculations. Round "Gross profit ratio" to 2 decimal places.) Company A Company B 2020 2020 Sales S Sales discounts Sales returns and allowances Net sales Cost of goods sold Gross profit from sales Selling expenses Administrative expenses Total operating expenses Profit (loss) Gross profit ratio 251,000 2,510 151,100 50,500 17,420 25,100 % 2019 $ 175,000 15,500 157,750 18,500 45,000 13,900 i I I I M % 1,100 5,000 56,500 47,900 24,500 29,200 * 2015 $ 42,500 450 39,500 18,500 8,500 1,500 %