16.4 Langley Clinics, Inc., buys $400,000 in medical supplies each y (at gross prices) from its major supplier, Consolidated Services, which offers Langley terms of 2 . 5/10, net 45. Currently, Langley this supplier? year Day 45, but it is considering taking the discount, paying on Day 10, and replacing the trade credit with a bank loan that has a 10 percent annual cost. a. What is the amount of free trade credit that Langley obtains from Consolidated Services? (Assume 360 days per year is paying the supplier the full amount due on throughout this problem.) b. What is the amount of costly trade credit? c. What is the approximate annual cost of the costly trade credit d. Should Langley replace its trade credit with the bank loan Explain your answer. by