Abstract
A sales decision method and a sales request evaluation method are disclosed, for raising the revenue after selling out all products. The sales decision method is applied on a sales decision system including an inputting module, a database module, a computation and decision module, and an outputting module. The sales decision method comprises: a sales request receiving process, a sales decision producing process, and a sales decision outputting process, wherein the inputting module receives a sales request, the computation and decision module produces a sales decision result, and the outputting module outputs the sales decision result. Besides, the sales request evaluation method is applied on a sales request evaluation system including an inputting module, a database module, an evaluation module, and an outputting module, for determining the price for a sales request.