In the benefit/cost (B/C) method of analysis, the criterion for determining whether a proposed project is acceptable is if the Benefit/Cost ratio (B/C) is greater than 1.0. This indicates that the benefits of the project outweigh the costs, thus making the project economically viable. A B/C ratio of exactly 1.0 suggests that the benefits are just sufficient to cover the costs, while a ratio greater than 1.0 indicates a profitable investment.