下面属于遥感数据处理系统的是（） A: IRRS B: IDPS C: IDRS D: IPRS

Which of the<br/>following statements is least accurate?( ) A: If a project is<br/>riskier than the firm’s normal project, the firm should adjust<br/>the project’s discount rate upward. B: In the absence of<br/>capital rationing, a firm should take all projects with a positive<br/>net present value. C: When capital is rationed, the projects with the highest IRRs should be selected.

Which of the following statements is FALSE? A: The payback investment rule is based on the notion that an opportunity that pays back its initial investments quickly is a good idea. B: An internal rate of return (IRR) will always exist for an investment opportunity. C: A net present value (NPV) will always exist for an investment opportunity. D: In general, there can be as many internal rates of return (IRRs) as the number of times the project's cash flows change sign over time.