Please calculate the NPV of the following: $70,000 for equipment with useful life of 7 years and no salvage value

Please calculate the NPV of the following:

• $70,000 for equipment with useful life of 7 years and no salvage value.   
• The expected annual cash revenue of the project will be $30,000.    
• The expected annual cash outflows (expenses/costs) are estimated at being $11,000, excluding depreciation.   
• Tax rate is 30% and you plan to depreciate the equipment on a straight-line basis for the life of the equipment.
• Discount rate is 6%.   
• After 5 years the equipment will stop working and there will be no salvage value.