• Costco average quick ratio for 2011-11-30 was 0, a 0% decline from 2012-02-29.
• Costco average quick ratio for 2012-02-29 was 0, a 0% decline from 2012-05-31.
• Costco average quick ratio for 2012-05-31 was 0, a 0% decline from 2012-08-31.

Quick ratio can be defined as a liquidity ratio that measures a company's ability to pay short-term obligations. It is calculated by subtracting inventory from current assets and dividing by current liabilities.