## Hidden Adjustment — Interest on Debentures
This is one of the most commonly tested adjustments in AS 3 problems. A 'hidden adjustment' means data needed for the cash flow statement is not directly given — you must derive it.
### When does this arise?
Two trigger conditions (either is sufficient):
1. The debenture rate is stated in the question, but the interest expense figure is missing from the P&L or additional information
2. The interest expense is missing because debentures were issued mid-year and no accrual entry was shown
### Step-by-step process
Step 1 — Calculate interest for the year:
```
Interest = Face Value of Debentures × Rate%
```
If debentures were issued during the year and no date is given → assume issued on Day 1 → use full year's interest.
Step 2 — Pass the hidden journal entry:
```
Dr. Interest Expense A/c (P&L) ×××
Cr. Unpaid Interest Liability ××× (if not yet paid)
OR
Cr. Bank / Cash ××× (if paid immediately)
```
Step 3 — Reflect in CFS:
- Operating Activities (Indirect): Add back full interest expense to PBT
- Financing Activities: Show only the portion actually paid in cash as outflow
Step 4 — Reconstruct Unpaid Interest ledger to find cash paid:
```
Unpaid Interest Liability Ledger
Cash paid (bal fig) ××× | Opening balance ×××
Closing balance ××× | Interest expense ×××
```
### For investments — reverse hidden adjustment
Similarly, if investments carry a stated rate but interest income is missing, calculate accrued interest income and reconstruct the Accrued Interest Asset ledger to find cash received.
### Example 1
Illustration 2 — Interest on Debentures (Hidden)
Debentures outstanding: ₹7,50,000 at 10% (Opening) + ₹2,50,000 issued on Day 1 of current year
Total debentures for interest calculation = ₹7,50,000 + ₹2,50,000 = ₹10,00,000
But wait — interest expense was NOT stated in the P&L data. Trigger: rate is given → hidden adjustment.
Step 1: Interest = ₹7,50,000 × 10% = ₹75,000 (on original debentures)
New debentures assumed raised on Day 1, so: ₹2,50,000 × 10% × 12/12 = ₹25,000...
(Exam simplification: total Int Exp = ₹75,000 as shown in illustration)
Step 2: Hidden journal:
```
Dr. Interest Expense P&L 75,000
Cr. Unpaid Interest A/c 75,000
Dr. Unpaid Interest A/c 70,000 ← cash paid portion
Cr. Bank 70,000
```
Step 3: In CFS:
```
Operating Activities:
Add back Interest Expense 75,000
Financing Activities:
Less: Interest paid on Deb (70,000)
[Remaining ₹5,000 stays as unpaid liability]
```
### Example 2
Illustration (10% Debentures being redeemed)
Opening 10% Debentures = ₹1,10,000; Redeemed at 5% premium at year-end; New deb issued = ₹0
Since redemption happened at end of year → calculate interest on FULL ₹1,10,000 for the entire year.
Interest = ₹1,10,000 × 10% = ₹11,000
Premium on redemption = ₹1,10,000 × 33/110 × 5% ... (from ledger: CIB ₹33,000, so premium = ₹33,000 × 5% = ₹1,650)
```
Operating Activities (Indirect):
Add: Premium on Deb redemption 1,650 (non-cash loss/write-off)
Add: Interest expense 11,000
Less: Interest income (35,000) [10% Investments ₹3,50,000 × 10%]
Financing Activities:
Redemption of Debentures (33,000) [principal repaid]
Premium paid (1,650)
Interest paid (10,100) [from Unpaid Int ledger]
Investing Activities:
Interest received on investments 24,500 [from Accrued Int Asset ledger]
```