Please calculate

12. Net margin

13. Asset turnover

14. Return on investment (also: return on assets)

15. Return on equity

Breakdown 9/30/2021 > Total Assets 31,392,600 > Total Liabilities Net Minority ... 36,707,100 > Total Equity Gross Minority I... -5,314,500 Total Capitalization 8,295,700 Common Stock Equity -5,321,200 Capital Lease Obligations 8,989,300 Net Tangible Assets -9,348,400 Working Capital 1,605,000 Invested Capital 9,294,600 Tangible Book Value -9,348,400 Total Debt 23,605,100 Net Debt 8,160,100 Share Issued 1,180,000 Ordinary Shares Number 1,180,000 Breakdown 9/30/2021 > Total Assets 31,392,600 > Total Liabilities Net Minority ... 36,707,100 > Total Equity Gross Minority I... -5,314,500 Total Capitalization 8,295,700 Common Stock Equity -5,321,200 Capital Lease Obligations 8,989,300 Net Tangible Assets -9,348,400 Working Capital 1,605,000 Invested Capital 9,294,600 Tangible Book Value -9,348,400 Total Debt 23,605,100 Net Debt 8,160,100 Share Issued 1,180,000 Ordinary Shares Number 1,180,000