You must evaluate the purchase of a spectrometer for the R&D
department. The base price is $140,000, and it would cost another
$30,000 to modify the equipment for special use by the firm. The
equipment falls into the MACRS 3-year class and would be sold after
3 years for $60,000. The applicable depreciation rates are 33%,
45%, 15%, and 7% as discussed in Appendix 12A. The equipment would
require an $8,000 increase in net operating working working capital
(spare parts...