Consider Problem 13-18 involving Thomas Martin. Suggest when, if at all, the old should be replaced with

Question:

Consider Problem 13-18 involving Thomas Martin. Suggest when, if at all, the old should be replaced with the new, if the values for the old machine are as follows. The old machine retains only 70% of its value in the market from year-to-year. The yearly costs of the old machine were $3000 in Year 1 and increase at 10% thereafter?