ISACA Certified Information Systems Auditor (CISA) ExamDomain 3: Information Systems Acquisition, Development and ImplementationEasy

An IS auditor is evaluating the business case for a proposed investment in a new data warehousing solution. The project cost is estimated at $2 million, with expected annual benefits of $400,000. The project has a projected lifespan of 8 years. What is the simple payback period for this investment?

  1. A8 years
  2. B2 years
  3. C4 years
  4. D5 years
Show answer & explanation

Correct answer: D. 5 years

The simple payback period is calculated by dividing the initial investment cost by the annual cash inflows (benefits). In this case, Payback Period = $2,000,000 / $400,000 = 5 years.

Why the other options are wrong

  • A. This is the project's lifespan, not its payback period.
  • B. This would imply annual benefits of $1,000,000, which is incorrect.
  • C. This would imply annual benefits of $500,000, which is incorrect.

Simple Payback Period

A capital budgeting technique that calculates the amount of time required for an investment to generate cash inflows sufficient to recover its initial cost.

  • Does not consider the time value of money.
  • Focuses on liquidity and risk.
  • A shorter payback period is generally preferred.

Memory trick: Payback: Cost over Annual Gain, simple as that!

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