customer_name | sum
------------------------------+---------
Lehmanns Marktstand | 1088.29
Rattlesnake Canyon Grocery | 2399.99
Hungry Owl All-Night Grocers | 1837.95
Frankenversand | 1067.41
Mere Paillarde | 1072.50
HILARION-Abastos | 1001.47
Ernst Handel | 2891.35
Bon app | 1122.55
Great Lakes Food Market | 1091.54
Save-a-lot Markets | 2788.48
Queen Cozinha | 1166.59
Koniglich Essen | 1290.48
QUICK-Stop | 2842.45
Hanari Carnes | 1423.00
Folk och fe HB | 1098.58
White Clover Markets | 1314.93
Berglunds snabbkoep | 1507.48
(17 rows)