In this question you will have to compute the effective annual cost of trade credit. Suppose a firm is offered the following the terms are 1.2/9 net 30. Find the annualized interest cost?

(Note: As this is a somewhat tough question, it has been set to accept answers within 5% of the correct solution rather than the standard 1%).

Express your answer as a percentage, for example 3.18% should be entered as 3.18 without the percentage sign.