Price feature

[marc.valia]

You can set the prices for the products or dropdown tables, disabling change quantity?
I'll explain (I hope)!
The products are sold in fixed amounts (eg 100pcs, 200pcs etc)
For each group of pieces I have a different price (eg € 10.00, 18.00 etc.)

[partswench]

Did you figure out how to do this,   I have to get done also