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リボルビング残債２０万円、毎月支払額５，０００円（元金均等＋利息）、実質年利１５％
という前提で完済するまでに経過する年数と利子の支払額。
| 月数 | 借入残高 | 返済 | 実質金利 | 支払額合計 |
|---|---|---|---|---|
| 5,000 | 15% | 251,240 | ||
| 1 | 200,000 | 5,000 | 2,500 | 7,500 |
| 2 | 195,000 | 5,000 | 2,437 | 7,437 |
| 3 | 190,000 | 5,000 | 2,375 | 7,375 |
| 4 | 185,000 | 5,000 | 2,312 | 7,312 |
| 5 | 180,000 | 5,000 | 2,250 | 7,250 |
| 6 | 175,000 | 5,000 | 2,187 | 7,187 |
| 7 | 170,000 | 5,000 | 2,125 | 7,125 |
| 8 | 165,000 | 5,000 | 2,062 | 7,062 |
| 9 | 160,000 | 5,000 | 2,000 | 7,000 |
| 10 | 155,000 | 5,000 | 1,937 | 6,937 |
| 11 | 150,000 | 5,000 | 1,875 | 6,875 |
| 12 | 145,000 | 5,000 | 1,812 | 6,812 |
| 13 | 140,000 | 5,000 | 1,750 | 6,750 |
| 14 | 135,000 | 5,000 | 1,687 | 6,687 |
| 15 | 130,000 | 5,000 | 1,625 | 6,625 |
| 16 | 125,000 | 5,000 | 1,562 | 6,562 |
| 17 | 120,000 | 5,000 | 1,500 | 6,500 |
| 18 | 115,000 | 5,000 | 1,437 | 6,437 |
| 19 | 110,000 | 5,000 | 1,375 | 6,375 |
| 20 | 105,000 | 5,000 | 1,312 | 6,312 |
| 21 | 100,000 | 5,000 | 1,250 | 6,250 |
| 22 | 95,000 | 5,000 | 1,187 | 6,187 |
| 23 | 90,000 | 5,000 | 1,125 | 6,125 |
| 24 | 85,000 | 5,000 | 1,062 | 6,062 |
| 25 | 80,000 | 5,000 | 1,000 | 6,000 |
| 26 | 75,000 | 5,000 | 937 | 5,937 |
| 27 | 70,000 | 5,000 | 875 | 5,875 |
| 28 | 65,000 | 5,000 | 812 | 5,812 |
| 29 | 60,000 | 5,000 | 750 | 5,750 |
| 30 | 55,000 | 5,000 | 687 | 5,687 |
| 31 | 50,000 | 5,000 | 625 | 5,625 |
| 32 | 45,000 | 5,000 | 562 | 5,562 |
| 33 | 40,000 | 5,000 | 500 | 5,500 |
| 34 | 35,000 | 5,000 | 437 | 5,437 |
| 35 | 30,000 | 5,000 | 375 | 5,375 |
| 36 | 25,000 | 5,000 | 312 | 5,312 |
| 37 | 20,000 | 5,000 | 250 | 5,250 |
| 38 | 15,000 | 5,000 | 187 | 5,187 |
| 39 | 10,000 | 5,000 | 125 | 5,125 |
| 40 | 5,000 | 5,000 | 62 | 5,062 |
| 0 |
３年４ヶ月後、リボルビングの残債が２０万円から０円となり完済。
この間に支払う利子は５１，２４０円となる。