Given: Cash and Cash Equivalents = $28,000
 Short term investments = $88,000
 Net Current Receivables = $122,000
 Inventory = $64,000
 Prepaid Insurance = $14,000
 Supplies = $11,000
 Total current liabilities = $304,000
To Calculate: Quick Ratio
Solution: Quick ratio for a company represents it's ability to pay off it's current liabilities as and when they accrue. The ratio is computed as,
= 

Quick assets are those assets which can be quickly convertible into cash within a period of 90 days.
Quick Assets = Cash and cash equivalents + short term investments + current accounts receivables + marketable securities 
Thus, Quick Assets = $28000 + 88,000 + 122,000 = $ 238,000
  Current Liabilities = $304,000
Thus, Quick Ratio = 
 = 0.78 approx.