數量 | 優惠單價 | 結帳金額 | 現折 |
---|---|---|---|
30 | $25 | $750 | $150 |
31 | $25 | $775 | $155 |
32 | $25 | $800 | $160 |
33 | $25 | $825 | $165 |
34 | $25 | $850 | $170 |
35 | $25 | $875 | $175 |
36 | $25 | $900 | $180 |
37 | $25 | $925 | $185 |
38 | $25 | $950 | $190 |
39 | $25 | $975 | $195 |
40 | $25 | $1,000 | $200 |