How is net present value used to decide whether a project should be undertaken or not? O A. It determines the interest rate that the government must set in order to make projects by firms profitable. O B. By comparing the upfront cost of a project to the discounted value of the future benefits from the project. O C. The net present value of a project is multiplied by the costs of the project to determine the project's profits. O D. The net present value of a project is divided by the costs of the project to determine the project's profits