You purchased equipment in 2017 for $100,000 plus it costs $10,000 to have it delivered and installed. The old CCA half-year rule still applied. Based on past information, you believe that the equipment will have a salvage value of $17,000 in 6 years. The company's marginal tax rate is 40%. If the asset's CCA rate is 20% and the required return on this project is 10%, what is the present value of the tax shield from CCA less the present value of the tax shield lost from salvage