need help with all parts

Data table Data table Shop Happy Corporation operates general merchandise and food discount stores in the United States. The company reported the following information for the three years ending December 31, 2020: (Click the icon to view the consolidated statements of operations.) 'Click the icon to view the partial balance sheets.) Read the Requirement 1. Compute the net profit margin ratio for Shop Happy for the years ended December 31, 2020, and December 31,2019. (Round your answers to the nearest hundredth of a percent, X.XX\%). Begin by identifying the formula to calculate profit margin. Requirements 1. Compute the net profit margin ratio for Shop Happy for the years ended December 31, 2020, and December 31, 2019. 2. Compute asset turnover for Shop Happy for the years ended December 31 , 2020, and December 31, 2019. 3. Compute return on assets for Shop Happy for the years ended December 31, 2020, and December 31, 2019. 4. What factors contributed to the change in return on assets during the year