clear sort InvoiceLineId InvoiceId TrackId UnitPrice Quantity Invoice Track
1 1 2 0.99 1
2 1 4 0.99 1
3 2 6 0.99 1
4 2 8 0.99 1
5 2 10 0.99 1
6 2 12 0.99 1
7 3 16 0.99 1
8 3 20 0.99 1
9 3 24 0.99 1
10 3 28 0.99 1