The traditional cost model widely used in our industry is based on, as you would know, either (a) Fixed Price Model, or (b) Time and Material Model.
%Savings is one of our unique cost models that is based on a percentage of the savings we create for you. You don't pay if you don't save.
%Revenues is our second cost model that is based on a percentage of the incremental revenues we create for you. You don't pay if you don't increase your revenues.