just questions C-F , please include formulas thank you :)

FINC431: Week five assignments BWU Company is a specialty bicycle parts manufacturer. The following is the financial statement for 2018: Income Statement Sales Less: Opr. Costs EBITDA Less: Depreciation EBIT $325,000 285.000 40,000 10.000 30,000 5,000 25,000 6,000 19,000 Less: Interest EBT Less: Taxes Net Income Balance Sheet Cash Receivables $1,000 30,000 50,000 81,000 Inventories Total Cur. Assets Fixed Assets, Net 50,000 $131,000 Total Assets Payables 11,000 Accruals Total Cur. Liab. 10,000 21,000 50,000 Long-Term Loan Stockholders' Equity 60,000 Total Liab. & Eq. $131,000 Questions: A. Calculate the NWC and the current ratio; B. Calculate the debt-to-asset ratio and interest coverage ratio C. Calculate the net profit margin, sales-to-total-assets ratio, and the equity multiplier. D. Show the ROE model with its three components. F. Calculate the operating return on assets (ROA) with its two components