Skiles Corporation is a manufacturer of classic rocking chairs. The company has been using a particular sanding and finishing machine for over 10 years and believes that it may be time to replace the machine. The company is trying to decide whether replacing the old machine is a wise economic decision. the company's controller pulled together the following information on the old machine and the new possible replacement machine

Old Machine:

Original cost $445,600

Current accumulated depreciation $300,700

Estimated annual variable manufacturing costs for machine $73,900

Estimated selling price of machine $150,500

Estimated useful life (in years) 6

New Machine:

Purchase cost $802,700

Estimated annual variable manufacturing costs for machine $43,750

Estimated residual value $ 0

Estimated useful life (in years) 6

Create a differential analysis in Excel to decide where to keep or replace the machine.