Answer: $62,826.80
Explanation:
Year 4 cashflow = Operating cashflow + Net working capital + After-tax salvage value
After-tax salvage value = Salvage price - tax on disposal gain
= 5,760 - (34% * (5,760 - 4,780))
= $5,426.80
Year 4 Cashflow = 53,000 + 4,400 + 5,426.80
= $62,826.80