In the Parable of the Unjust Steward (Luke 16:1-13), what is the most accurate interpretation of Jesus's commendation of the steward's shrewdness?

A Endorsement of dishonesty in financial matters. B An example of how believers should manipulate worldly systems for personal gain. C An analogy for using worldly resources wisely to secure eternal benefits and relationships. D A suggestion that believers should forgive all debts owed to them, regardless of circumstance.