The following information (in thousands) is for NuStyle Clothing Inc.: Instructions: (a) Calculate the gross profit margin, profit margin, and current ratio for NuStyle for 2019, 2020 , and 2021. Round off calculations to 2 decimal places. (b) Comment on whether the ratios have improved or deteriorated over the three years. (c) What other information would be useful when evaluating these ratios over the three-year period? Explain