St.Johns River Shipyards is considering the replacement of an
8-year-old riveting machine with a new one that will increase
earnings before depreciation from $22,000 to $56,000 per year. The
new machine will cost $100,500, and it will have an estimated life
of 8 years and no salvage value. The new machine will be
depreciated over its 5-year MACRS recovery period; so the
applicable depreciation rates are 20%, 32%, 19%, 12%, 11%, and 6%.
The applicable corporate tax rate is 35%,...