18. Use the following information for AWD Co. regarding its accounts' receivable for 2018 and 2019. The growth in sales, receivables, and Allowance for doubtful accounts over the 2 years is respectively: 2019 2018 $990 Net Sales Accounts Receivables, net Allowance for Doubtful Accounts $1,450 $580 $35 $500 $48 OA) -46.46% -16%: 27.08% 19. Income statements for BIO-N Co. for the past two years are shown below. The gross profit margins for the company over the years 2018 and 2019 are respectively: * 2019 2018 Net sales 23.560,000 18,760,000 Cost of goods sold 14,980,000 12,850,000 Gross profit 8,580,000 5,910,000 Operating expenses 1,460,000 1,020,000 Other expenses 157.000 20,000 Operating profits 7,033,000 4,870,000 Tax expense (savings) 2.109.900 1,461,000 3,409,000 Net Income 4,923,100