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Data table Shop Happy Corporasion cperates general merchandise and food discount stores in the United States. The company reported the following informaton 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) Road the tecuirements. Requirement 1. Compute the net profit margn ratio for Shop Heppy for the years ended December 31, 2020, and December 31, 2019. (Round your answers to the nearest hundredth of a percent, Begin by identifying the formula to calculate profit margin Data table Requitements 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