數量 | 優惠單價 | 結帳金額 | 現折 |
---|---|---|---|
30 | $30 | $900 | $300 |
31 | $30 | $930 | $310 |
32 | $30 | $960 | $320 |
33 | $30 | $990 | $330 |
34 | $30 | $1,020 | $340 |
35 | $30 | $1,050 | $350 |
36 | $30 | $1,080 | $360 |
37 | $30 | $1,110 | $370 |
38 | $30 | $1,140 | $380 |
39 | $30 | $1,170 | $390 |
40 | $30 | $1,200 (免運) | $400 |