Heijnathon

Date	Time	Amount	Sticker
02.06.2018	10:57	0.75 Euros	9809802072649
27.05.2018	10:42	0.75 Euros	9809802062992
27.05.2018	18.24	0.50 Euros	9809802064224
25.05.2018	11:19	1.00 Euros	9809802059275
25.05.2018	11:19	0.50 Euros	9809802059268
25.05.2018	11:19	1.00 Euros	9809802059282
20.05.2018	11.07	1.00 Euros	9809802052085
20.05.2018	11.07	0.50 Euros	9809802052078
20.05.2018	11:07	1.25 Euros	9809802052092
13.05.2018	18:27	0.25 Euros	9809802041713
05.05.2018	17:52	1.55 Euros	9809802028639
05.05.2018	17:51	1.00 Euros	9809802028622
05.05.2018	17:51	1.00 Euros	9809802028615
30.04.2018	16:38	0.95 Euros	9809802021302
28.04.2018	17:51	2.25 Euros	9809802018869
28.04.2018	17:50	0.50 Euros	9809802018845
28.04.2018	17:50	0.50 Euros	9809802018852
21.04.2018	19:48	0.90 Euros	9809802008433
21.04.2018	10:16	2.50 Euros	9809802006415
21.04.2018	10:17	2.00 Euros	9809802006422
14.04.2018	18:45	2.50 Euros	9809801997493
02.04.2018	12:40	0.25 Euros	9809801978706
02.04.2018	12:40	0.25 Euros	9809801978720
02.04.2018	12:40	0.50 Euros	9809801978713
31.03.2018	11:25	0.20 Euros	9809801975804
31.03.2018	11:25	0.20 Euros	9809801975811
30.03.2018	17:25	2.00 Euros	9809801974982
18.02.2018	10:13	2.00 Euros	9809801919198
10.02.2018	13:33	0.75 Euros	9809801907799
03.02.2018	18:17	0.25 Euros	9809801898486
14.12.2017	15:56	0.25 Euros	9802711827898
14.06.2011	11:12	0.10 Euros	9803000065915

Checksum

38 * 3 = 114 => Even * 3
114 + 34 = 148 => (Even * 3) + Odd
148 % 10 = 8
10 - 8 = 2

According to this article, 980 is for refund receipts

98019**

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