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Payback period is how long it takes for an investment to recover its initial cost through cash inflows. Simple but ignores time value of money; discounted payback is more accurate.

Công thức

Payback = Year before recovery + (Unrecovered cost / Cash flow in recovery year)

Hướng dẫn từng bước

1List cash inflows by year
2Accumulate until initial investment is recovered
3Calculate exact time within the recovery year

Ví dụ có lời giải

đầu vào

Initial: $10k, Flows: $3k, $4k, $5k

Kết quả

Payback ≈ 2.2 years

Recovers in early year 3

Lỗi thường gặp cần tránh

✕Ignoring time value of money
✕Not handling cash inflows before payback

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