how can I get the 'Present value at 12%' s data

how can I get the NPV 356?

Year 0 Year 4 Year 8 Year 1 30,000 Year 2 30,000 Year 3 30,000 Year 5 30,000 Year 6 30,000 Year 7 30,000 Year 9 30,000 Year 10 30,000 30,000 30,000 (1,000) 1,500 900 600 1,500 900 1,500 900 1,500 900 1,500 900 1,500 900 600 1,500 900 1,500 900 1,500 900 600 1,500 900 600 600 600 600 600 600 600 300 300 300 300 300 300 300 300 300 300 a. Base Case Scenario ($ in 1,000's) Units sold Investment Revenue Direct Cost Contribution Fixed Cost Depreciation EBIT Taxes at 30% Net income Add back Dep'n Net CF Present value at 12% Net Present Value 100 100 100 100 100 100 100 100 100 100 200 200 200 200 200 200 200 200 200 200 60 60 60 60 60 60 60 60 60 60 140 140 140 140 140 140 140 100 140 100 140 100 140 100 100 100 100 100 100 100 (1,000) (1,000) 356 240 214 240 191 240 171 240 153 240 136 240 122 240 109 240 97 240 87 240 77