Computer software that calculates optimal prices for goods and services and provides decision support to enterprises in the pricing area based on costs, consumer willingness to pay, competitive offerings, marketing strategies, more specifically software that calculates the price of an order based on pricing rules involving product features, time, type of customer, market segment and channel of distribution, statistical modeling of customer response for the global market of the firm; for a specific market segment or for a particular customer as a function of price, promotions or advertising, calculation of the optimal allocation of production or operating resources in function of a demand forecast by product or market segment, calculation of the marginal and opportunity costs of the products and the resources based on this allocation, calculation of the optimal price for a given product, for a set of products or for an open or global contract based on at least one of the following elements; statistical modeling of customer response, buying profile of the customer, cost structure, competitive offerings, pricing strategies by product, market segment or customers