Supplier Pricing
Define margins used to calculate customer pricing for the supplier.
Catalog Pricing
Specify margins based on Catalog pricing.
Select Edit.
Select Add Column.
Enter a Margin which will be applied to price breaks based on catalog pricing from the supplier.
Repeat for all margin breaks or just leave one which will apply the same margin to all.
Select Save.

EQP Pricing
Specify margins based on EQP pricing.
Check Enable EQP Pricing.
Select Edit.
Select Add Column.
Enter a Margin for each column based on the suppliers EQP price.
Repeat for all margin breaks.
Select Save.
EQP pricing requires at least 5 margin breaks. Margin calculations start from end column toward first column if supplier offers less than 5 columns.

Products in your Google Merchant Center account will be updated to reflect new pricing which may take some time.
Please note margins can not to below 33%. This applies to all distributors.