Calculate the present value of the depreciation tax shield for an asset in the 3-year class life costing $100,000. Three-year class percentages are 33.33%, 44.45%, 14.81%, and 7.41%, respectively for years 1 through 4. The firm has a 35% tax rate and a 10% cost of capital. Compare this present value to that calculated for straight-line depreciation with no salvage value. Show your work and formulas.