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The payback period is the time required for an investment to generate enough cash flow to recover its initial cost. It is the simplest capital budgeting metric — shorter is generally better, though it ignores the time value of money.

Guía paso a paso

  1. 1Identify the initial investment amount
  2. 2Estimate the annual (or periodic) cash inflows the investment generates
  3. 3Simple payback = Initial investment / Annual cash inflow
  4. 4For uneven cash flows, cumulate inflows year by year until the investment is recovered

Ejemplos resueltos

Entrada
Investment £10,000 · Annual inflow £2,500
Resultado
4.0 years payback
£10,000 ÷ £2,500
Entrada
Solar panels £8,000 · Annual saving £1,200
Resultado
6.7 years payback
Typical residential solar payback

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