Solution : https://service.sap.com/sap/support/notes/709372 (SAP Service marketplace login required)
Key words :
amount/percent quantity relationship, avoid long calculation times, multi-dimensional condition entry, manually changeable condition type, multi-dimensional condition type, terms multi-dimensional, customizing transaction t_06, section 'change option', field 'matrix maint, entry screen 'scales
Related Notes :
| 751826 | Information: Using multidimensional freight conditions |
| 746607 | INFO: => LE-TRA-FC-IMG (Customizing) |