Capital Investment Decisions
Payback Period
Payback Period measures how many years it takes to recover the original investment from project cash inflows.
Concept First
Learn It Step By Step
Start with the business meaning, then move into the formula.
What is Unrecovered Amount?
Project cash-flow inputs must be kept consistent across years before applying the investment decision rule. Example: use the matching financial statement line item for the same period and keep the unit consistent before calculating.
What is Cash Inflow in Recovery Year?
Project cash-flow inputs must be kept consistent across years before applying the investment decision rule. For example, bank balances and cash in hand can usually be used immediately for payroll, supplier payments, statutory dues, or emergency needs.
How should I read the answer?
Payback is simple and useful for liquidity risk, but it ignores time value of money and cash flows after payback.
Formula Lab
Understand the Formula
Read the formula like a business sentence before calculating it.
Formula
Payback = Year before recovery + Unrecovered Amount / Cash Inflow in Recovery Year
Solved Case Study
Read the Numbers Like an Analyst
Work through one business case slowly: understand the situation, calculate the ratios, then interpret what the numbers are really saying.
Case context
TechVision invests Rs. 50L, receives Rs. 24L in Year 1 and Rs. 31L in Year 2. Payback = 1 + 26 / 31 = 1.84 years.
1. Track recovery of initial investment
TechVision invests Rs. 50L. Year 1 cash inflow is Rs. 24L, so the unrecovered amount after Year 1 is Rs. 26L.
2. Calculate the fraction of Year 2 needed
Year 2 cash inflow is Rs. 31L, so only part of Year 2 is needed to recover the remaining Rs. 26L.
The investment is recovered after about 1.84 years.
3. Interpret carefully
Payback is useful for liquidity risk, but it ignores time value of money and cash flows after recovery.
Interpretation
What This Means In Practice
Read the result as a business signal, not as a standalone number.
Capital decisions are cash-flow decisions
Payback is simple and useful for liquidity risk, but it ignores time value of money and cash flows after payback. The question is not only whether the project is attractive on paper. Ask when cash goes out, when cash comes back, what risk it carries, and whether returns beat the cost of capital.
Decision lens
Use Payback for a quick risk scan, not as the final profitability decision. Use the method as one part of a decision: strategic fit, NPV, IRR, payback risk, funding capacity, and sensitivity to forecast errors all matter.
Key Takeaway
Use Payback for a quick risk scan, not as the final profitability decision.
Practice Checkpoint
Check Your Understanding
Work through the quiz in smaller sets. Your answers stay visible while this page is open, so you can review before moving on.
Question 1 of 20
Level 1What is Payback's main limitation?
Question 2 of 20
Level 1Which underlying item must you understand before calculating or interpreting the result?
Question 3 of 20
Level 1Which statement is the best conceptual reading of this measure?
Question 4 of 20
Level 1While analysing the result, which connected business driver should you also check because it can explain movement in the result?
Question 5 of 20
Level 1What is the safest first check before using the formula for this measure?
15 questions remaining in this lesson.
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Connected Concepts
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