Using the following balance sheet and income statement data, what is the current ratio?

Current assets	$31000		Net income	$41100
Current liabilities	14400		Stockholders' equity	78600
Average assets	159500		Total liabilities	42800
Total assets	123000

Average common shares outstanding was 16300.

2.2 : 1

2.7 : 1

0.5 : 1

3.0 : 1