Here is some information about a company's last fiscal year. Sales are $250,000, cost of goods sold $80,000, depreciation for the year $27,000 and additions to retained earnings $33,360. Currently 20,000 common shares of this company are in circulation and the previous year, each yielded $1.50 in dividends. Assuming the tax rate is 34%, determine the interest coverage ratio for the last fiscal year.