5. 12.5 Stahmann Products paid $350,000 for a numerical controller and had it installed at a cost of $50,000. The recovery period was 7 years with an estimated salvage value of 10% of the original purchase price. Stahmann sold the system 4 years after it was purchased for $45,000. State the numerical values for the following: remaining life at sale time, market value at sale time, book value at sale time if 65% of the basis had been depreciated.