Period

Price

Number of Items Sold

Positive Feedback

Negative Feedback

Impact Factor

1

223

50

50

0

218.627451

2

220

56

56

0

216.1403509

3

219

64

64

0

215.6307692

4

226

61

61

0

222.3548387

5

228

56

56

0

224

6

230

59

59

0

226.1666667

7

234

60

60

0

230.1639344

8

250

68

68

0

246.3768116

9

256

69

69

0

252.3428571

10

261

76

76

0

257.6103896

11

280

81

81

0

276.5853659

12

278

88

88

0

274.8764045

13

286

92

92

0

282.9247312

14

290

99

99

0

287.1

15

294

93

93

0

290.8723404

16

296

97

97

0

292.9795918

17

299

103

103

0

296.125

18

302

105

105

0

299.1509434

19

310

110

110

0

307.2072072

20

316

119

119

0

313.3666667

21

319

121

121

0

316.3852459

22

323

122

122

0

320.3739837

23

345

130

130

0

342.3664122

24

356

135

135

0

353.3823529