A company has a net income of $500,000 for the year 2022. The company has 10,000 shares outstanding, and it declares a dividend of $2.50 per share. The company also has $1,000,000 in outstanding debt with an interest rate of 5% per year.

Calculate the following financial ratios for the year 2022:

1. Earnings per share (EPS)
2. Dividend payout ratio
3. Debt-to-equity ratio
4. Interest coverage ratio

Also, determine whether the company's financial position has improved or deteriorated compared to the previous year, given that the company had a net income of $450,000 and declared a dividend of $2.00 per share in 2021.