Please tell me how to do the question 16, include (a,b,c,d,e) please give me the correct answer, thank you so much.

16.(10 points) The Build-it Corporation has the following Statement of Earnings: Sales Cost of Goods Sold: Operating Expenses: Total Operating Costs: Depreciation & Amort: EBIT: Interest Expense: Earnings Before Taxes: Taxes (28%); Net Income: $ 5,875,415 4,123,976 734,192 101,284 72,110 Please fill in the blanks on this statement of earnings above correctly, and answer the following questions a) What is the firm's net profit margin? b) If the firm has total assets of S3,958,472, what is return on total assets (ROA)? c) Using the asset figure in 7b), if the firm uses debt financing valued at 25% of its total assets, with the rest of the assets financed using equity, what is the firm's return on equity (ROE)? d) What is the firm's Operating Margin? e) What would the net income be if the firm's tax rate were 15%