| Period | Price | Number of Items Sold | Positive Feedback | Negative Feedback | Impact Factor |
| 1 | 190 | 30 | 20 | 5 | 91.93548387 |
| 2 | 187 | 29 | 19 | 10 | 56.1 |
| 3 | 175 | 20 | 8 | 6 | 16.66666667 |
| 4 | 170 | 19 | 8 | 10 | −17 |
| 5 | 165 | 18 | 6 | 7 | −8.684210526 |
| 6 | 161 | 20 | 8 | 5 | 23 |
| 7 | 152 | 15 | 5 | 10 | −47.5 |
| 8 | 150 | 9 | 1 | 8 | −105 |
| 9 | 142 | 8 | 1 | 7 | −94.66666667 |
| 10 | 135 | 6 | 1 | 5 | −77.14285714 |