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Microlesson · 5-min read

Hidden Adjustment — Interest on Debentures

## Hidden Adjustment: Interest on Debentures

A hidden adjustment occurs when the question does not explicitly state the interest expense on debentures but provides sufficient data to calculate it. Failing to identify and account for this is a common error.

### When does it arise?

Interest expense on debentures is a hidden adjustment when:

1. The P&L shows no interest expense line item, and

2. The rate of debentures is given, or

3. The debenture balance(s) and rate allow computation.

### Step-by-step identification and treatment

Step 1 — Identify the debenture balance(s)

Construct a Debentures T-account:

```

Debentures A/c

Redemptions ××× | Opening balance ×××

Closing bal ××× | New issue (CIB) ×××

```

Step 2 — Calculate interest

  • If debentures were issued during the year, assume they were raised on the 1st day of the year (unless the question states otherwise).
  • Interest = Balance × Rate

Step 3 — Pass the journal entry (mentally)

```

Interest Expense A/c Dr ×××

To Unpaid Interest A/c ××× (if not yet paid)

```

Step 4 — Determine cash actually paid

Construct the Unpaid Interest / Accrued Interest T-account:

```

Unpaid Interest A/c

CIB (cash paid) ××× | Opening balance ×××

Closing balance ××× | P&L — Interest charge ×××

```

Cash paid on interest = Opening + Charge − Closing

Step 5 — Reflect in Cash Flow Statement

  • Operating Activities: Add back Interest Expense to PBT.
  • Financing Activities: Deduct actual cash interest paid.

### Summary table

SituationTreatment in CFS
Interest expense stated in P&LAdd back to PBT in Operating; pay cash in Financing
Interest expense NOT in P&L, rate givenCalculate as hidden adj; same treatment as above
Part of interest unpaidCash paid = Total interest − Closing unpaid
Debentures issued mid-year, date unknownAssume raised on 1st day of year

Worked example

### Example 1

Illustration 2 — Hidden Adjustment for Debenture Interest

Data: Existing debentures ₹5,01,000 (opening); New debentures issued ₹2,50,000 (assumed raised on 1st day of the year); Closing balance ₹7,50,000; Rate not explicitly mentioned but total interest = ₹75,000.

Interest not given in P&L → hidden adjustment.

Debentures A/c:

```

Closing balance 7,50,000 | Opening balance 5,01,000

| Raised (CIB) 2,50,000 ← assumed 1st day

```

Interest on Debentures = ₹7,50,000 × 10% = ₹75,000

Journal entry (hidden):

```

Interest Expense A/c Dr 75,000

To Unpaid Interest A/c 75,000

```

Unpaid Interest A/c:

```

CIB (cash paid) 70,000 | P&L Interest charge 75,000

Closing balance 5,000 |

```

∴ Cash interest paid = ₹70,000

In Cash Flow Statement:

```

A. Operating Activities

PBT 40,000

Add: Amortisation 25,000

Add: Interest on Debentures (hidden) 75,000

...

C. Financing Activities

Issue of Debentures +2,50,000

Less: Interest paid on Debentures (70,000)

```

⚠️ Common exam mistakes

  • Ignoring the interest adjustment entirely when the P&L does not show an explicit interest expense line.
  • Calculating interest only on the opening debenture balance, ignoring debentures raised during the year (which are assumed issued on the 1st day unless told otherwise).
  • Showing the full accrued interest (₹75,000) as cash paid instead of computing actual cash paid via the Unpaid Interest ledger.
  • Placing interest paid in Operating Activities instead of Financing Activities (for debenture interest under AS 3 for most companies).
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