Please show all steps

I. A corporation pays 53% of its revenue in income tax. It invests $10,000 in a project which will result in a $3,000 annual revenue for 8 years. If the annual expenses are $700, salvage after 8 years is $500, and an MARR of 9% is used. what is a) The before-tax present worth b) Calculate the SLD depreciation schedule c) Calculate the SOYD depreciation schedule d) Calculate the DDB depreciation schedule