借款2万元三年利息计算
借款2万元三年，假设年利率为10%，则总利息为：
利息 = 本金 × 年利率 × 年数 = 20000 × 0.1 × 3 = 6000元
月供利率计算
月供利率是指每月还款时所支付的利息率，计算公式为：
月供利率 = 年利率 ÷ 12 = 10% ÷ 12 = 0.833%
还款计划
还款计划是指在借款期限内，每月需要支付的本金和利息的详细计划。下表给出了借款2万元三年，月利率为0.833%的还款计划：
| 期数 | 本金 | 利息 | 月供 | 剩余本金 |
|---|---|---|---|---|
| 1 | 121.17 | 166.67 | 287.84 | 18788.83 |
| 2 | 123.11 | 164.73 | 287.84 | 18665.72 |
| 3 | 125.05 | 162.79 | 287.84 | 18540.67 |
| 4 | 126.98 | 160.86 | 287.84 | 18413.69 |
| 5 | 128.92 | 158.92 | 287.84 | 18284.77 |
| 6 | 130.85 | 156.99 | 287.84 | 18153.92 |
| 7 | 132.79 | 155.05 | 287.84 | 18022.13 |
| 8 | 134.72 | 153.12 | 287.84 | 17890.41 |
| 9 | 136.66 | 151.18 | 287.84 | 17758.75 |
| 10 | 138.59 | 149.25 | 287.84 | 17627.16 |
| 11 | 140.53 | 147.31 | 287.84 | 17495.63 |
| 12 | 142.46 | 145.38 | 287.84 | 17364.17 |
| 13 | 144.40 | 143.44 | 287.84 | 17232.77 |
| 14 | 146.33 | 141.51 | 287.84 | 17101.44 |
| 15 | 148.27 | 139.57 | 287.84 | 16970.17 |
| 16 | 150.20 | 137.64 | 287.84 | 16838.97 |
| 17 | 152.14 | 135.70 | 287.84 | 16707.83 |
| 18 | 154.07 | 133.77 | 287.84 | 16576.76 |
| 19 | 156.01 | 131.83 | 287.84 | 16445.75 |
| 20 | 157.94 | 129.90 | 287.84 | 16314.81 |
| 21 | 159.88 | 127.96 | 287.84 | 16183.93 |
| 22 | 161.81 | 126.03 | 287.84 | 16053.12 |
| 23 | 163.75 | 124.09 | 287.84 | 15922.41 |
| 24 | 165.68 | 122.16 | 287.84 | 15791.73 |
| 25 | 167.62 | 120.22 | 287.84 | 15661.11 |
| 26 | 169.55 | 118.29 | 287.84 | 15530.56 |
| 27 | 171.49 | 116.35 | 287.84 | 15400.07 |
| 28 | 173.42 | 114.42 | 287.84 | 15269.65 |
| 29 | 175.36 | 112.48 | 287.84 | 15139.29 |
| 30 | 177.29 | 110.55 | 287.84 | 15009.04 |
| 31 | 179.23 | 108.61 | 287.84 | 14878.81 |
| 32 | 181.16 | 106.68 | 287.84 | 14748.65 |
| 33 | 183.10 | 104.74 | 287.84 | 14618.55 |
| 34 | 185.03 | 102.81 | 287.84 | 14488.52 |
| 35 | 186.97 | 100.87 | 287.84 | 14358.55 |
| 36 | 188.90 | 98.94 | 287.84 | 14228.65 |