Problem:
Ridley Company has a factory machine with a book value of $95,600 and a remaining useful life of 5 years. A new machine is available at a cost of $205,700. This machine will have a 5-year useful life with no salvage value. The new machine will lower annual variable manufacturing costs from $640,400 to $356,900.
Required:
Question: Prepare an analysis showing whether the old machine should be retained or replaced.
Note: Please show how to work it out.