In the fiscal year, Renault Group reported the issuance of 4,600,000 ordinary shares, each valued at €2. The company announced a 5% dividend payout from its net profit, which amounted to €2,300,000. The company's total revenue for the year was €27 million, with the market price per share at €3.75. Determine:
1.Dividend per share
2.Net profit margin
3.Return on assets