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Pilihan lanjutanYuran · kaedah APR · Rule of 78
Pilihan lanjutan
Yuran · kaedah APR · Rule of 78
Kaedah APR efektif
Kadar rata nampak lebih rendah daripada kos sebenar.
3.50% kadar rata bersamaan kira-kira 6.34% APR efektif untuk senario ini.
01Banding dengan baki berkurangBeza sekitar +RM 11,824 sepanjang pinjaman
Banding dengan baki berkurang
Beza sekitar +RM 11,824 sepanjang pinjaman
The flat-rate cost
Same loan, two ways to price it.
Your loan above (RM 80,000 / 9 years) is quoted as a 3.5% flat rate. If the same headline rate were applied as reducing-balance — the way mortgages work — your monthly payment would be lower and the total interest dramatically smaller.
Flat-rate framing · 3.5%
What dealers quoteRM 105,200
Total payment over 9 years
Principal · RM 80,00076.0%
PrincipalInterest
Monthly
RM 974.07
Interest
RM 25,200
Interest is calculated once, on full principal, then split evenly across all 108 months. Required by Hire-Purchase Act 1967 for car HP.
Reducing-balance · same 3.5%
What mortgages useRM 93,376
Total payment over 9 years
Principal · RM 80,00085.7%
PrincipalInterest
Monthly
RM 864.59
Interest
RM 13,376
Interest recalculates monthly on the outstanding balance. Used by home loans, BR-anchored facilities, and bank cash-line products.
The cost of flat-rate framing
+RM 11,824
over 9 years · ≈ RM 109/mo more
Same headline 3.5%. Same RM 80,000 principal. Same 9-year tenure. Different math — different reality. The advertised “flat rate” hides about 88% more interest than the reducing-balance equivalent.
- True effective APR
- 6.34%
- vs 3.5% advertised
Reducing-balance calculation uses standard PMT formula. Effective APR uses Newton-Raphson IRR. Numbers above use deterministic midpoint — no Monte Carlo.
02Lihat formula & penyelesaian awalIRR · Rule of 78 · baki pinjaman
Lihat formula & penyelesaian awal
IRR · Rule of 78 · baki pinjaman
Deep dive
Year-by-year payment schedule
Flat-rate means every monthly payment is identical: RM 740.74 principal + RM 233.33 interest. The interest never declines, unlike reducing-balance loans.
| Year | Principal | Interest | Cumulative | Balance |
|---|---|---|---|---|
| 1 | 8,888.89 | 2,800.00 | 11,688.89 | 71,111.11 |
| 2 | 8,888.89 | 2,800.00 | 23,377.78 | 62,222.22 |
| 3 | 8,888.89 | 2,800.00 | 35,066.67 | 53,333.33 |
| … | … | … | … | … |
| 8 | 8,888.89 | 2,800.00 | 93,511.11 | 8,888.89 |
| 9 | 8,888.89 | 2,800.00 | 105,200.00 | 0.00 |
If you settle early — Rule of 78 rebate
The Hire-Purchase Act 1967 (s.16) sets the formula for unearned interest rebate using the Rule of 78 (sum-of-digits). Earlier settlement returns more interest, but rebates are front-loaded — settling halfway through doesn't refund half the interest.
Turn on "Apply Rule of 78 rebate" in the form to see your settlement numbers.
Jumlah bayar
RM 105,200
Baki berkurang
RM 864.59/bln