# Introduction to Capital Budgeting

## What is Capital Budgeting?

Capital Budgeting (Investment Decision) is the second major area of financial management, focused on the optimum utilization of funds to maximize organizational wealth.

It involves three core activities:

Identification of investment projects
Estimating and evaluating post-tax incremental cash flows
Selecting the proposal that maximizes return to investors

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## Why Capital Budgeting Decisions Are Critical

Reason	Explanation
Substantial Investment	Large capital outlay required; size and timing affect financing choices
Long Time Period	Affects future benefits, costs, and growth direction of the firm
Irreversibility	Economically/practically very difficult to reverse — due to upfront payments, contractual obligations, or technological constraints
Complex Decisions	Requires assessing uncertain future events and difficult-to-quantify costs/benefits

> Key insight: Irreversibility does NOT mean 100% impossible to reverse — it means reversal is economically impractical once committed.

Worked example

### Example 1

A manufacturing company wants to replace an old machine costing ₹10 lakh. Before deciding, it must: (1) Estimate incremental post-tax cash inflows over the machine's useful life; (2) Compare the PV of those inflows against the outlay. This illustrates 'substantial investment' and 'irreversibility' — once the purchase contract is signed, backing out would involve penalties and write-offs.

### Example 2

A software firm compares Project A (₹5 crore, 3-year revenue horizon) vs Project B (₹8 crore, 5-year horizon). Project B's longer time horizon makes prediction far less reliable, highlighting both the 'long time period' and 'complex decisions' characteristics. The firm must also consider that both are largely irreversible once development teams are contracted.

⚠️ Common exam mistakes

Confusing capital budgeting with working capital management — capital budgeting is specifically for long-term investment decisions, not day-to-day liquidity management.
Thinking irreversibility means the decision can never be reversed — it means reversal is economically or practically very difficult/costly, not always impossible.
Forgetting to use post-tax incremental cash flows — both 'post-tax' and 'incremental' adjustments are required before evaluation.

Reference:

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Introduction & Purpose of Capital Budgeting

Worked example

⚠️ Common exam mistakes