help me pls

End of Year Cash Flow In Cash Flow Our 500.000 1 0 2 300.000 90,000 100.000 Net (Yearly (500,000) 210,000 300.000 (73.000) 13,000 Net (overall (300.000) (290,000) 10.000 (65.000) (50,000) 3 4 400,000 100,000 50.000 175,000 $ 35,000 What is the net cash flow at the end of five years? $50,000 550.000 $850,000 $100.000