provide the equations too please

Trooper Nova Company reported the following, Sales $2,080,000 Cost of Goods Sold $800,000 Operating Expenses $465,000 Interest expense included in Operating Expenses $57,000 Income Taxes 33% of income before tax Stockholders' Equity (Average) $17,000,000 Do not enter dollar signs or commas in the input boxes. Round your answers to 2 decimal places. a) Calculate net income. Net Income = $ b) Calculate the net profit margin. % Net Profit Margin = c) Calculate the times interest earned. times Times Interest Earned = d) Calculate the return on equity. % Return on Equity =