The following data are from annual reports of Jen's Jewelry Company: Total assets Total liabilities Total stockholders' equity Sales revenue Net income 2021 2020 2019 $ 59,500 $ 54,000 $ 40,900 13,100 11,300 5,600 46,400 42,700 35,300 162,600 150,500 131,000 50,500 39,500 24,300 Compute Jen's net profit margin ratio for each year. (Round your answers to 2 decimal places.) Year Net Profit Margin Ratio % 2021 2020 2019 % %