Northwest Medical Center has a medical supplier that offers trade credit terms of 5/15 net 60. Northwest's cost of borrowing is 8%. What is the approximate % cost of the trade credit and should Northwest use the trade credit by paying in 60 days? The approximate cost of the trade credit is 34.4% and Northwest should not take the trade credit. The approximate cost of the trade credit is 42.1% and Northwest should take the trade credit. The approximate cost of the trade credit is 34.4% and Northwest should take the trade credit. The approximate cost of the trade credit is 42.1% and Northwest should not take the trade credit.