Answer:
Net cash flow  $338019
Explanation:
Given:
Reported net income = $305,900
Depreciation expense = $19,272
Patent amortization expense = $12,236
Gain on disposal of plant assets = $11,012
Decrease in account receivables = $82,593 - $64,239 = $18,354
Increase in payable = $28,143 - $18,354 = $9789
Now,
The cash flow
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Net income                    $305,900
Depreciation expense            - $19,272
Patent amortization expense        $12,236
Gain on disposal of plant assets      $11,012
Decrease in account receivables    $18,354
Increase in payable                 $9789
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Net cash flow                    $338019
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