16. Initial investment : b. $38,500
17. Net Operating cash flow at year 1 : a.
$48,250
18. Net Operating cash flow at year 2 : b.
$56,190
Note that cash from from sale of device will not be
added in net operating cash flow, because it belongs to cash flow
from investing activities.
Working:

Net working capital will be released when the project is
ended. And investing in inventory is part of working
capital.

Year 1 Year 2 Year 0 (36,000) (2,500) Particulars Upfront Investment Investment in net working capital Cash Flows after tax Saving in tax due to depreciation Net Cash Flow / Operating cash flow After tax cash flow on sale of Device Total Cash flow (3,000) 45,850 5,400 48,250 5,500 45,290 5,400 56,190 4,550 60,740 (38,500) (38,500) 48,250
Cash Flows after tax Year 1 Sales 95,000 Less: Cost of Goods 25,000 Less: Other Costs 4,500 Cash Flows From Operations (x) 65,500 Tax Rate 30% Tax (y) 19,650 Cash flow after Tax (x-y) 45,850 Year 2 85,000 17,000 3,300 64,700 30% 19,410 45,290 Saving in tax due to depreciation Cost of Device 36,000 Useful life Depreciation (a) 18,000 Tax Rate (b) 30% Tax Saving on depreciation (a*b) 5,400 After tax cash flow on sale of Device Anticipated Sale price 6,500 Tax rate 30% Tax 1,950 After tax cash flow 4,550