Specifying Tiered Pricing for RFx Line Items 
Tiered pricing is used to allow the supplier to offer discounts for higher-volume purchases. For example, the supplier might specify one unit price for a 10-unit purchase and a lower unit price for a 20-unit purchase.
To specify tiered pricing for each line item:
In the RFx, choose.
Under , select Tiered Pricing.
Optionally, select Lock Purchaser-Defined Quantity Ranges for Supplier.
For more information on these fields, see RFx Setup: Pricing Model.
Save your entries.
Choose Line Items.
On the Line Items page, choose Edit for a line item for which you want to set tiered pricing.
Under Quantity Price Schedule, choose Add to add a quantity range.
A table row appears.
Enter a minimum and maximum quantity for the quantity range.
Repeat for each quantity range you want to add for the line item. For example, you might create additional quantity ranges of 10 to 20 units, 20 to 30 units, and so on.
Save your entries.