Presented below is the comparative income statement of Edison Company for 2020 and 2019. Edison Company Income Statement For the Year Ended August 31 2019 2020 Sales $188,973 $102,081 Cost of Goods Sold $110,148 $64,522 Gross Profit $78,825 $37,559 Operating Expenses Administrative Expense $24,332 $10,257 Selling Expense $28,683 $24,286 Total Operating Expenses $53,015 $34,543 Other Income and Expenses Interest Expense $1,383 $1,160 Income Before Income Tax $24,427 $1,856 Income Tax Net Income (Loss) $7,328 $557 $17,099 $1,299 a) Calculate the following ratios for both years. Enter net profit margin as a percentage. Do not enter dollar signs or commas in the input boxes. Round your answers to 2 decimal places, 2020 2019 Net Profit Margin Time Interest Earned b) In which year does the company have a better performance with respect to the net profit margin calculated in part a)? Year