A high-speed electronic assembly machine was purchased two years ago for $50,000.

A high-speed electronic assembly machine was purchased two years ago for $50, 000. At the present time, it can be sold for $26, 000 and replaced by a newer model having a purchase price of $44, 000, or it can be kept in service for a maximum of one more year. The new assembly machine, if purchased, has a useful life of not more than two years. If the before-tax MARR is 20%, when should the old assembly machine be replaced? Use the following data table for your analysis. The minimum EUAC value of the challenger is $ The marginal cost of keeping the defender in service for one more year is $ The old assembly machine should be replaced