customer	product	thedate	value
customer 01
customer 01	product 01	30 10 2017	974.57
customer 01	product 02	04 12 2017	634.50
customer 01	product 03	30 10 2017	974.57
customer 01	product 04	04 12 2017	634.50
customer 01	product 05	30 10 2017	974.57
customer 01	product 06	04 12 2017	634.50
customer 01	product 07	30 10 2017	974.57
customer 01	product 08	04 12 2017	634.50
customer 01	product 09	30 10 2017	974.57
customer 01	product 10	04 12 2017	634.50
customer 02
customer 02	product 01	04 12 2017	634.50
customer 02	product 02	30 10 2017	974.57
customer 02	product 03	04 12 2017	634.50
customer 02	product 04	30 10 2017	974.57
customer 02	product 05	04 12 2017	634.50
customer 03
customer 03	product 01	30 10 2017	974.57
customer 03	product 02	04 12 2017	634.50
customer 03	product 03	30 10 2017	974.57
customer 03	product 04	04 12 2017	634.50
customer 03	product 05	30 10 2017	974.57
customer 03	product 06	04 12 2017	634.50
customer 03	product 07	30 10 2017	974.57
customer 03	product 08	04 12 2017	634.50