IFMP Capital Budgeting – Corporate Finance Certification (CBCFC), Pakistan study materials
IFMP Capital Budgeting – Corporate Finance Certification (CBCFC), Pakistan study resources

IFMP Capital Budgeting – Corporate Finance Certification (CBCFC), Pakistan common mistakes

IFMP Capital Budgeting – Corporate Finance Certification (CBCFC), Pakistan · Understand the traps and how to avoid them.

Mistake 1

Discounting nominal project cash flows at a real (inflation-adjusted) discount rate, or the reverse, when computing NPV.

Candidates learn the Fisher relationship as a formula but do not build the habit of tagging each cash flow as nominal or real before choosing the rate; exam stems often state inflation separately from the required return, which invites mixing.

What to do instead

Before any discounting, write two labels at the top of your workings: 'CF: nominal/real' and 'r: nominal/real'. Convert with (1 + nominal) = (1 + real)(1 + inflation). If the stem gives a money discount rate, keep cash flows in money terms including inflation escalation; if it gives a real rate, deflate cash flows first. Do a sanity check: with 8% inflation, a real 10% rate and nominal 10% rate should not produce similar NPVs on an escalating project.

Mistake 2

Treating sunk costs, allocated head-office overhead, or financing interest as incremental project cash flows.

Accounting income statements include these items, and candidates mechanically copy net profit figures into the cash-flow table because it looks familiar and complete.

What to do instead

Apply an inclusion test to every line: 'Would this cash flow change if the project were rejected?' Exclude prior feasibility studies (sunk), exclude apportioned fixed overhead that continues regardless (only incremental overhead counts), and exclude interest because it is captured in the discount rate. Rebuild cash flow from revenue and incremental costs rather than from accounting profit; add back only depreciation that is tax-deductible on the project's own assets.

Mistake 3

Computing working capital as a single up-front outflow and ignoring its recovery at the end of the project.

Candidates memorise 'initial investment includes working capital' and stop there, forgetting that inventory and receivables are released when the project winds down, and that incremental working capital can change year by year.

What to do instead

Model working capital as a percentage of incremental sales each year, enter the year-on-year change as a cash flow (increase = outflow, decrease = inflow), and in the final year reverse the cumulative balance as a recovery inflow. If the project has a terminal value, keep the working capital recovery as a separate line so it is not double counted.

Mistake 4

Using the company's existing WACC to appraise a project in a different risk class or line of business.

The WACC is the only discount rate given in many stems, so candidates default to it without asking whether the project's systematic risk matches the firm's current asset mix.

What to do instead

Ask whether the project changes the firm's business or financial risk. If it does, unlever a comparable pure-play beta with the peer's debt/equity, relever it at the firm's target gearing using the Hamada relationship, and rebuild the cost of equity with CAPM. Only use the existing WACC when the project is a scale expansion of existing operations at similar gearing.

Mistake 5

Mixing up IRR ranking with NPV ranking when projects differ in scale or timing, and accepting the higher-IRR project.

IRR is expressed as a percentage, which feels comparable across projects, so candidates overlook that IRR ignores project size and can mislead when cash-flow timing differs.

What to do instead

For mutually exclusive projects, rank by NPV at the relevant cost of capital. Where IRR and NPV conflict, state the cause: scale difference, timing difference, or multiple IRRs from non-conventional cash flows. Where useful, compute the incremental (B minus A) cash flows and check whether the incremental IRR exceeds the cost of capital, which resolves the conflict in favour of the NPV choice.

Mistake 6

Failing to handle non-conventional cash flows, reporting a single IRR when the project has multiple sign changes.

Candidates apply the IRR function mechanically and report whichever root the calculator or spreadsheet returns, without checking how many times the cash-flow signs change.

What to do instead

Count sign changes in the cash-flow stream first. With more than one sign change, state that multiple IRRs may exist and use NPV or MIRR instead, defining the reinvestment and financing rate assumptions explicitly. If asked for IRR, show the range of roots or note that no unique IRR exists and justify the decision on NPV.

Mistake 7

Applying the tax shield on depreciation to the wrong base, or forgetting the tax on the disposal proceeds in a replacement decision.

Replacement questions combine several tax effects, and candidates compute depreciation on the new asset's full cost but then forget the balancing charge or allowance on the old asset's sale, or forget that the sale proceeds are taxable above book value.

What to do instead

Build a small disposal table: sale proceeds, less tax written-down value, equals balancing allowance or charge, times tax rate, equals tax cash flow. For the new asset use the capital allowance rate actually stated in the stem rather than straight-line by default, and remember the tax cash flow usually lags by one year if the stem says tax is paid in arrears. Sum only the incremental tax effects between old and new.

Mistake 8

Ignoring the timing convention for tax payments and for cash flows occurring within the year when discounting.

Stems state 'tax is payable one year in arrears' or 'cash flows arise evenly through the year', but candidates discount every line at the year-end factor because that is the default pattern they practised.

What to do instead

Underline every timing phrase in the stem before starting. If tax is in arrears, shift the tax line one period later before discounting. If cash flows accrue evenly, use the mid-year discount factor (1 + r)^-(t - 0.5). Keep a timing column in your table so each line's period is visible and auditable.

Mistake 9

Calculating the cost of capital with book-value weights or with the coupon rate on debt instead of the market value of debt and its after-tax yield.

Balance-sheet figures are easier to find in a stem than market values, and the coupon rate looks like 'the cost of debt', so candidates use both without adjusting for tax or for the current yield.

What to do instead

Use market values of equity and debt as weights. For debt, take the pre-tax yield to maturity (or the stated market yield) and multiply by (1 - tax rate) for the after-tax cost. For preference shares, use the dividend divided by the ex-dividend market price. If only book values are given, state the assumption and note the bias it introduces.

Mistake 10

Presenting a single-point NPV as the answer without sensitivity, scenario, or break-even analysis when the question asks about risk.

Candidates treat the NPV calculation as the whole answer and stop, missing the marks allocated to risk assessment because they did not read the second half of the requirement.

What to do instead

When a requirement mentions risk, uncertainty, or 'advise', add at least one of: sensitivity of NPV to each key variable (percentage change that makes NPV zero), scenario analysis with best/base/worst cases, or break-even volume. Interpret the result in one or two sentences, for example which variable the decision is most exposed to and whether that risk can be mitigated contractually.