Water slide equipment could be purchased and installed at a cost of $480,000. According to the manufacturer, the slide would be usable for 12 years after which it would have no salvage value. Mr. Sharkey would use straight-line depreciation on the slide equipment. To make room for the water slide, several rides would be dismantled and sold. These rides are fully depreciated, but they could be sold for $191,600 to an amusement park in a nearby city. Mr. Sharkey concluded