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Liquidity ratio follows: Josh Smith has compiled some of his personal financial data in order to determine his liquidity position. The data are as Account Amount Cash Marketable securities Checking account Credit card payables Short-term notes payable $3,220 1,040 820 1,110 1030 a. Calculate Josh's liquidity ratio. b. Several of Josh's friends have told him that they have liquidity ratios of about 1.8. How would you analyze Josh's liquidity relative to his friends