Alberta Inc. has the following data 1. cash - $nil; 2. accounts receivables - $30,000; 3. inventory - $70,000. 4. Long term assets of $400,000 5. Current liabilities are $50,000. 6. sales of $1,000,000 7. operating profit of $50,000 8. interest expense of $12,500 9. tax expense of $7,500 10. total equity of $200,000 11. total debt of $300,000 12. Dividends paid - $10,000 13. Number of common shares - 1,000 14. Share price - $150

Calculate the following:

1. Quick ratio 2. Return on sales 3. Return on assets 4. Interest coverage ratio 5. Receivables turnover 6. Inventory holding period 7. Earnings per share 8. Dividend coverage ratio