• Machines in the factory have increased cost as they continue in service due to increased running cost. The initial cost of the machine is 3500 and the resale price drops as time passes until it reaches a constant value of 500. Determine the proper time before the machine is replaced.

Answer rating: 100% (QA)

We know that Total cost of machine in n yearsCost of machineScrap valueTotal cost of maintenance in ... View the full answer