Personal Finance Problem P3-12 Liquidity ratio Josh Smith has compiled some of his personal financial data to determine his liquidity position. The data are as follows. Account Cash Amount $3,200 Marketable securities 1,000 Checking account 800 Credit card payables 1,200 900 Short-term notes payable 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?