Magna International Inc. is a leading global supplier of technologically advanced automotive components, systems, and modules. Selected financial information (in US$ millions) follows: 2019 2018 2017 Sales $39,431 $40,827 $36,588 Cost of goods sold 34,022 35,055 30,895 Profit for the year 1,765 2,296 2,196 Current assets 10,745 11,834 11,200 Current liabilities 8,529 10,304 9,243 (a) Calculate the gross profit margin, profit margin, and current ratio for each year. (Round Gross profit margin to 1 decimal place, e.g. 52.7% and all other answers to 2 decimal places, e.g. 52.75 or 52.75%.) 2019 2018 2017 Gross profit margin enter percentages rounded to 1 decimal place % enter percentages rounded to 1 decimal place % enter percentages rounded to 1 decimal place % Profit margin enter percentages rounded to 2 decimal places % enter percentages rounded to 2 decimal places % enter percentages rounded to 2 decimal places % Current ratio enter ratio rounded to 2 decimal places : 1 enter ratio rounded to 2 decimal places : 1 enter ratio rounded to 2 decimal places : 1