Concord Music produces 59600 blank CDs on which to record music. The CDs have the following costs: Direct Materials Direct Labour Variable Overhead Fixed Overhead $10000 15700 3300 6600 None of Concord's fixed overhead costs can be reduced, but another product could be made that would increase profit contribution by $4500 if the CDs were acquired externally. If cost minimization is the major consideration and the company would prefer to buy the CDs, what is the maximum external price that Concord would be willing to accept to acquire the 59600 units externally