Can you please explain how you get the numbers? Thanks.

18 (The following information applies to the questions displayed below. Selected comparative financial statements of Korbin Company follow. Part 2 of 3 2 points KORBIN COMPANY Comparative Income Statements For Years Ended December 31, 2019, 2018, and 2017 2019 2018 2017 Sales $ 429,809 $329,269 $ 228,500 Cost of goods sold 258, 745 206,122 146, 240 Gross profit 171,064 123, 147 82,260 Selling expenses 61,033 45,439 30, 162 Administrative expenses cos 38,683 28,976 2007 Total expenses 99,716 74,415 Income before taxes 48,732 33,132 Income tax expense 13,271 9,990 6,726 Net income $ 58,077 $ 38, 742 $ 26,406 eBook 18,966 49,128 71,348 Print 2017 KORBIN COMPANY Comparative Balance Sheets December 31, 2019, 2018, and 2017 2019 2018 Assets Current assets $ 59,807 $ 40,029 Long-term investments 0 500 Plant assets, net 109, 377 100,012 Total assets $ 169, 184 $ 140,541 Liabilities and Equity Current liabilities $ 24,701 $ 20,941 Common stock 65,000 65,000 Other paid-in capital 8,125 8,125 Retained earnings 71,358 46, 475 Total liabilities and equity $ 169,184 $ 140,541 $ 53,509 3,560 59,369 $ 116, 438 $ 20, 377 47,000 5,222 43,839 $ 116, 438 2. Complete the below table to calculate income statement data in common-size percents. (Round your percentage answers to 2 decimal places.) KORBIN COMPANY Common-Size Comparative Income Statements For Years Ended December 31, 2019, 2018, and 2017 2019 2018 2017 Sales % % % Cost of goods sold Gross profit Selling expenses Administrative expenses Total expenses Income before taxes Income tax expense Net income % % %