Question 6 1. Which of the following statements is most correct? Oa A decision to keep an old machine in service or to replace it with a new machine can be evaluated as a mutually exclusive project. If Investment A can be made only after Investment, then the two investments are mutually exclusive. Oc A project with a rapid payback will have a positive NPV. Od When the cost of capital increases, a project's NPV and IRR will decrease None of the choices is correct