If you have only above three scenario,
Create three alternative BOM ,
first with lot size 1- 100 and assembly scrap of 10% .
Lot Size 101 - 500 with 5% extra.
Lot Size 501 to 1000 then 3% extra.
If you have only above three scenario,
Create three alternative BOM ,
first with lot size 1- 100 and assembly scrap of 10% .
Lot Size 101 - 500 with 5% extra.
Lot Size 501 to 1000 then 3% extra.