A chemical process is licensed to produce high-octane, low Sulphur blend-stocks domestically and internationally. Halliburton industries has newly licensed the process costing $1 million per system at its Moscow, Houston and Abu Dhabi refinery service operations. Russia requires a 10-year, straight line recovery with 10% salvage value. The United States allows a 7-year MACRS recovery with no salvage value considered. The UAE allows a 7-year recovery with switching from DDB to SL method and no salvage value considered. Which of the country’s methods has the largest PW of depreciation at an interest rate of 15% per year? Make sure to use Excel functions