Based on the following data, what is the quick ratio, rounded to one decimal point?

Accounts payable	$30,000
Accounts receivable	60,000
Accrued liabilities	5,000
Cash	40,000
Intangible assets	50,000
Inventory	69,000
Long-term investments	80,000
Long-term liabilities	100,000
Marketable securities	30,000
Fixed assets	670,000
Prepaid expenses	1,000

a.5.1

b.2.9

c.3.7

d.4.3