CraftMaster Corporation purchased a machine $7$ years ago for $$345,000$ when it launched product XOSK, Unfortunately, this machine has broken down and cannor

be repaired. The machine could be replaced by a new model $360$ machine costing $$371,000$ or by a new model $280$ machine costing $$397,000.$ Management has

decided to buy the model $280$ machine. It has less capacity than the model $360$ machine, but its capacity is sufficient to continue making product $05K.$ Management

also considered, but rejected, the alternative of dropping product $05K$ and not replacing the old machine. If that were done, the $$337,000$ invested in the new

machine could instead have been invested in a project that would have returned a total of $$431,000.$ In making the decision to buy the model $280$ machine rather

than the model $360$ machine, the differential cost was: