Hello, need help calculating following ratios:

1.Current ratio

2.Return on total assets

3.Sales to total assets

4.Acid test ratio

5.Times interest earned

6.Earnings per share

7.Return on shareholders' equity

Given following information:

Fabtech

Balance Sheet At Decemer 31, 201X

Assets Cash $75

Accounts Receivable 90

Inventory 125

Prepaid Insurance 45

Property, plant, and equipment (at carrying amount) 350

Total Assets $685

Liabilities and Stockholder's Equity

Accounts Payable $65

Long Term Notes Payable 155

Preferred Shares 50

Common Shares 300

Retain Earnings 115

Total Liabilities and Stockholder's Equity $685

Fabtech Income Statement

For Year Ended Decemer 31, 201X

Sales $345

Cost of goods Sold 207

Gross Profit 138

Operating Expenses

Wages $66

Depreciation 10 76

Income from Operations 62

Interest Expense 12

Income before income taxes 50

Income Tax Expense 15

Net Income (Loss) $35

Additional Information:

a.70% of sales are on credit

b.Average of balance sheet items is equal to amounts at December 31

c.Dividends have been paid in total of $12

d.The number of common shares outstanding is 20