what would NPV be?

A machine is purchased for $12 million with $1 million modification cost and $1 million shipping cost. Net operating working capital of $3 million is needed. The machine will generate additional annual revenue of $8 million and additional annual costs and expenses of $4 million. The machine has a 5 year life and will be depreciated using straight line depreciation. The salvage value of the machine for depreciation purposes is $3 million. It is estimated the machine can be sold after 5 years for $4 milion (tax rate is 40%). The company WACC is 8%