The four 'Cs' of credit are : Character, Capacity or Cashflow, Capital and Conditions.
Out of the 4 'Cs' of credit, the two 'Cs' that deal with the earning potential and available cash are 'Capacity' and 'Capital'.
Capacity: It is the assessment the of the ability of any business to pay bills and maintain the cash flow. It contains in it the debt structure of the firm and the unused credit.
Capital: It is the assessment, if a company has the ability to pay back its creditors by the help of its financial resources or available cash.