sku	utility	volume
A	20	1
A	15	1
A	12	1
A	10	1
A	7	1
A	5	1
A	5	1
A	5	1
A	4	1
A	3	1
A	2	1
A	1	1
A	0	1
B	40	3
B	38	3
B	36	3
B	35	3
B	30	3
B	26	3
B	25	3
B	22	3
B	20	3
B	17	3
B	15	3
B	10	3
B	5	3
B	0	3
C	100	10
C	60	10
C	40	10
C	20	10
C	10	10
C	5	10
C	5	10
C	5	10
C	5	10
C	5	10
C	0	10
