i dont have npv rates

ring buying the mineral rights to a small mineral property. The mineral rights Q3- a company is considering buying the mineral rights t e $1000,000 at year and depreciable mining, equipment cost will be $1000,000 at acquisition cost will be $1000,000 at year and depreciable ociation for 7 years depreciation life starting year 2 with half year year 1. use modified ACRS depreciation for 7 years depreciation life starting al development cost of $200,000 at yearo Production rate will be 100,000 units per and 150,000units in year 4 and years with 0 salvage value. Product will be sold $20 per unit tion cost is estimated $8 per unit.Use tax rate 40% and 22% percentage depletion category Royalties 20%. Calculate DFROR and NPV for Min. DCFROR of 15%